Borderou de evaluare (job #596511)

Compilare: main.cpp: In function 'int main()': main.cpp:99:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'unsigned int'} [-Wsign-compare] 99 | for ( i = 0; i < ans.size(); i ++ ) { | ~~^~~~~~~~~~~~ main.cpp: In function 'char ch()': main.cpp:20:14: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 20 | fread( buf, 1, BUFSIZE, fin ); | ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:81:45: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] 79 | if (a[i][j - l] < x && | ~~~~~~~~~~~~~~~~~~~~~~~~~~ 80 | a[i][j + 1] < x && | ~~~~~~~~~~~~~~~~~~~~~~~~~~ 81 | a[i + l + 1][j + 1] < x && | ~~~~~~~~~~~~~~~~~~~~~~~~^~ 82 | a[i + l + 1][j - l] < x && | ~~~~~~~~~~~~~~~~~~~~~~~