Borderou de evaluare (job #765057)

Compilare: main.cpp: In function 'int main()': main.cpp:21:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 21 | freopen("album.in", "r", stdin); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:22:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 22 | freopen("album.out", "w", stdout); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~ In function 'bool isOK(int, int, int)', inlined from 'int main()' at main.cpp:65:13: main.cpp:10:33: warning: 'x1' may be used uninitialized [-Wmaybe-uninitialized] 10 | if(a[n][i] == 1 && i == x1) ++cnt; | ~~~~~~~~~~~~~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:47:29: note: 'x1' was declared here 47 | int x1, x2, j = 2; | ^~ In function 'bool isOK(int, int, int)', inlined from 'int main()' at main.cpp:65:13: main.cpp:11:33: warning: 'x2' may be used uninitialized [-Wmaybe-uninitialized] 11 | if(a[n][i] == 1 && i == x2) ++cnt; | ~~~~~~~~~~~~~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:47:33: note: 'x2' was declared here 47 | int x1, x2, j = 2; | ^~ main.cpp:41:38: warning: 'x1' may be used uninitialized [-Wmaybe-uninitialized] 41 | cout << x2 << ' ' << x1; | ^~ main.cpp:32:28: note: 'x1' was declared here 32 | int j = 2, x1, x2; | ^~ main.cpp:41:31: warning: 'x2' may be used uninitialized [-Wmaybe-uninitialized] 41 | cout << x2 << ' ' << x1; | ^~~ main.cpp:32:32: note: 'x2' was declared here 32 | int j = 2, x1, x2; | ^~