Compilare: user.cpp: In function ‘int main()’: user.cpp:26:26: warning: unused variable ‘mx2’ [-Wunused-variable] int t,n,m,i,j,mx,cul,mx2,cur,l,c; ^ user.cpp:28:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("ferma3.in", "r", stdin); ^ user.cpp:29:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("ferma3.out", "w", stdout); ^ user.cpp:30:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&t); ^ user.cpp:31:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d",&n,&m); ^ user.cpp:33:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s", s[i]+1); ^ user.cpp:194:34: warning: ‘cc’ may be used uninitialized in this function [-Wmaybe-uninitialized] printf("%d %d\n%c",l,c,cc); ^ user.cpp:185:21: warning: ‘cur’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(cur > mx){ ^