Compilare: main.cpp: In function 'int main()': main.cpp:40:27: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'char (*)[1001]' [-Wformat=] scanf("%s",&mat[i]); ^ main.cpp:34:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen ("barbar.in","r",stdin); ^ main.cpp:35:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen ("barbar.out","w",stdout); ^ main.cpp:38:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&m); ^ main.cpp:40:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%s",&mat[i]); ^