Compilare: user.cpp: In function ‘void gaseste_zero()’: user.cpp:32:20: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if ( !cc[j] && G[i][j] + vr[i] == vc[j] ) ^ user.cpp: In function ‘void citire()’: user.cpp:67:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf( "%d", &N ); ^ user.cpp:70:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf( "%d", &G[i][j] ); ^ user.cpp: In function ‘int main()’: user.cpp:95:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen( "cc.in", "r", stdin ); ^ user.cpp:96:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen( "cc.out", "w", stdout ); ^