annotate problem.py @ 50:4ea7133ac25c

Converted 2.00 into the default branch
author Oleg Oshmyan <chortos@inbox.lv>
date Sun, 19 Dec 2010 23:25:13 +0200
parents 2.00/problem.py@2b459f9743b4
children aea4fc87698a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #! /usr/bin/env python
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2 # Copyright (c) 2010 Chortos-2 <chortos@inbox.lv>
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3
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4 from __future__ import division, with_statement
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5
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6 try:
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7 from compat import *
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8 import config, testcases
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9 except ImportError:
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10 import __main__
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11 __main__.import_error(sys.exc_info()[1])
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12 else:
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13 from __main__ import clock, options
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14
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15 import os, re, sys
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16
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17 try:
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18 import signal
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19 except ImportError:
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20 signalnames = ()
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21 else:
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22 # Construct a cache of all signal names available on the current
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23 # platform. Prefer names from the UNIX standards over other versions.
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24 unixnames = frozenset(('HUP', 'INT', 'QUIT', 'ILL', 'ABRT', 'FPE', 'KILL', 'SEGV', 'PIPE', 'ALRM', 'TERM', 'USR1', 'USR2', 'CHLD', 'CONT', 'STOP', 'TSTP', 'TTIN', 'TTOU', 'BUS', 'POLL', 'PROF', 'SYS', 'TRAP', 'URG', 'VTALRM', 'XCPU', 'XFSZ'))
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25 signalnames = {}
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26 for name in dir(signal):
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27 if re.match('SIG[A-Z]+$', name):
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28 value = signal.__dict__[name]
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29 if isinstance(value, int) and (value not in signalnames or name[3:] in unixnames):
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30 signalnames[value] = name
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31 del unixnames
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32
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33 __all__ = 'Problem', 'TestContext', 'test_context_end', 'TestGroup'
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34
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35 def strerror(e):
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36 s = getattr(e, 'strerror')
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37 if not s: s = str(e)
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38 return ' (%s%s)' % (s[0].lower(), s[1:]) if s else ''
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39
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40 class Cache(object):
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41 def __init__(self, mydict):
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42 self.__dict__ = mydict
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43
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44 class TestContext(object):
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45 pass
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46
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47 test_context_end = object()
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48
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49 class TestGroup(TestContext):
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50 __slots__ = 'case', 'log', 'correct', 'allcorrect', 'real', 'max', 'ntotal', 'nvalued', 'ncorrect', 'ncorrectvalued'
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51
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52 def __init__(self):
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53 self.real = self.max = self.ntotal = self.nvalued = self.ncorrect = self.ncorrectvalued = 0
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54 self.allcorrect = True
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55 self.log = []
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56
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57 def case_start(self, case):
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58 self.case = case
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59 self.correct = False
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60 self.ntotal += 1
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61 self.max += case.points
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62 if case.points:
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63 self.nvalued += 1
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64
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65 def case_correct(self):
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66 self.correct = True
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67 self.ncorrect += 1
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68 if self.case.points:
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69 self.ncorrectvalued += 1
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70
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71 def case_end(self, granted):
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72 self.log.append((self.case, self.correct, granted))
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73 self.real += granted
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74 del self.case
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75 if not self.correct:
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76 self.allcorrect = False
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77
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78 def end(self):
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79 say('Group total: %d/%d tests; %d/%d points' % (self.ncorrect, self.ntotal, self.real if self.allcorrect else 0, self.max))
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80 # No real need to flush stdout, as it will anyway be flushed in a moment,
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81 # when either the problem total or the next test case's ID is printed
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82 if self.allcorrect:
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83 return self.log
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84 else:
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85 return ((case, correct, 0) for case, correct, granted in self.log)
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86
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87 class Problem(object):
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88 __slots__ = 'name', 'config', 'cache', 'testcases'
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89
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90 def __init__(prob, name):
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91 if not isinstance(name, basestring):
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92 # This shouldn't happen, of course
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93 raise TypeError('Problem() argument 1 must be string, not ' + type(name).__name__)
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94 prob.name = name
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95 prob.config = config.load_problem(name)
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96 if not getattr(prob.config, 'kind', None): prob.config.kind = 'batch'
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97 prob.cache = Cache({'padoutput': 0})
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98 prob.testcases = testcases.load_problem(prob)
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99
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100 # TODO
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101 def build(prob):
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102 raise NotImplementedError
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103
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104 def test(prob):
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105 case = None
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106 try:
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107 contexts = [TestGroup()]
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108 for case in prob.testcases:
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109 if case is test_context_end:
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110 for case, correct, granted in contexts.pop().end():
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111 contexts[-1].case_start(case)
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112 if correct:
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113 contexts[-1].case_correct()
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114 contexts[-1].case_end(granted)
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115 continue
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116 elif isinstance(case, TestContext):
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117 contexts.append(case)
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118 continue
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119 contexts[-1].case_start(case)
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120 granted = 0
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121 id = str(case.id)
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122 if case.isdummy:
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123 id = 'sample ' + id
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124 say('%*s: ' % (prob.cache.padoutput, id), end='')
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125 sys.stdout.flush()
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126 try:
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127 granted = case(lambda: (say('%7.3f%s s, ' % (case.time_stopped - case.time_started, case.time_limit_string), end=''), sys.stdout.flush()))
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128 except testcases.CanceledByUser:
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129 verdict = 'canceled by the user'
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130 except testcases.TimeLimitExceeded:
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131 verdict = 'time limit exceeded'
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132 except testcases.WrongAnswer:
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133 e = sys.exc_info()[1]
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134 if e.comment:
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135 verdict = 'wrong answer (%s)' % e.comment
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136 else:
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137 verdict = 'wrong answer'
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138 except testcases.NonZeroExitCode:
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139 e = sys.exc_info()[1]
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140 if e.exitcode < 0:
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141 if sys.platform == 'win32':
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142 verdict = 'terminated with error 0x%X' % (e.exitcode + 0x100000000)
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143 elif -e.exitcode in signalnames:
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144 verdict = 'terminated by signal %d (%s)' % (-e.exitcode, signalnames[-e.exitcode])
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145 else:
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146 verdict = 'terminated by signal %d' % -e.exitcode
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147 else:
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148 verdict = 'non-zero return code %d' % e.exitcode
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149 except testcases.CannotStartTestee:
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150 verdict = 'cannot launch the program to test%s' % strerror(sys.exc_info()[1].upstream)
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151 except testcases.CannotStartValidator:
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152 verdict = 'cannot launch the validator%s' % strerror(sys.exc_info()[1].upstream)
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153 except testcases.CannotReadOutputFile:
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154 verdict = 'cannot read the output file%s' % strerror(sys.exc_info()[1].upstream)
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155 except testcases.CannotReadInputFile:
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156 verdict = 'cannot read the input file%s' % strerror(sys.exc_info()[1].upstream)
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157 except testcases.CannotReadAnswerFile:
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158 verdict = 'cannot read the reference output file%s' % strerror(sys.exc_info()[1].upstream)
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159 except testcases.TestCaseNotPassed:
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160 verdict = 'unspecified reason [this may be a bug in test.py]%s' % strerror(sys.exc_info()[1])
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161 #except Exception:
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162 # verdict = 'unknown error [this may be a bug in test.py]%s' % strerror(sys.exc_info()[1])
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163 else:
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164 try:
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165 granted, comment = granted
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166 except TypeError:
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167 comment = ''
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168 else:
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169 if comment:
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170 comment = ' (%s)' % comment
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171 if granted >= 1:
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172 contexts[-1].case_correct()
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173 verdict = 'OK' + comment
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174 elif not granted:
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175 verdict = 'wrong answer' + comment
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176 else:
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177 verdict = 'partly correct' + comment
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178 granted *= case.points
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179 say('%g/%g, %s' % (granted, case.points, verdict))
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180 contexts[-1].case_end(granted)
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181 weighted = contexts[0].real * prob.config.taskweight / contexts[0].max if contexts[0].max else 0
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182 if contexts[0].nvalued != contexts[0].ntotal:
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183 say('Problem total: %d/%d tests (%d/%d valued); %g/%g points; weighted score: %g/%g' % (contexts[0].ncorrect, contexts[0].ntotal, contexts[0].ncorrectvalued, contexts[0].nvalued, contexts[0].real, contexts[0].max, weighted, prob.config.taskweight))
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184 else:
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185 say('Problem total: %d/%d tests; %g/%g points; weighted score: %g/%g' % (contexts[0].ncorrect, contexts[0].ntotal, contexts[0].real, contexts[0].max, weighted, prob.config.taskweight))
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186 sys.stdout.flush()
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187 return weighted, prob.config.taskweight
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188 finally:
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189 if options.erase and (not prob.config.stdio or case and case.validator):
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190 for var in 'in', 'out':
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191 name = getattr(prob.config, var + 'name')
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192 if name:
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193 try:
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194 os.remove(name)
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195 except Exception:
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196 pass
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197 if case.validator and not callable(case.validator):
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198 if prob.config.ansname:
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199 try:
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200 os.remove(prob.config.ansname)
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201 except Exception:
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202 pass