Compilare: user.cpp: In function ‘int main()’: user.cpp:129:28: warning: too many arguments for format [-Wformat-extra-args] printf("%d\n",nrlac,all); ^ user.cpp:106:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("lacuri.in","r",stdin); ^ user.cpp:107:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("lacuri.out","w",stdout); ^ user.cpp:109:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&N); ^ user.cpp:113:33: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&v[i][j]); ^