Borderou de evaluare (job #746038)

Compilare: main.cpp: In function 'int main()': main.cpp:63:21: warning: operation on 'current' may be undefined [-Wsequence-point] 63 | current = (v[kk] == 0) ? ++current : --current; | ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:63:21: warning: operation on 'current' may be undefined [-Wsequence-point] main.cpp:72:21: warning: operation on 'current' may be undefined [-Wsequence-point] 72 | current = (v[kk] == 0) ? ++current : --current; | ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:72:21: warning: operation on 'current' may be undefined [-Wsequence-point] main.cpp:22:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 22 | std::freopen("sudoku1.in", "r", stdin); | ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:23:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 23 | std::freopen("sudoku1.out", "w", stdout); | ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~