Compilare: main.cpp: In function 'int main()': main.cpp:27:29: warning: format '%c' expects argument of type 'char*', but argument 2 has type 'int*' [-Wformat=] scanf("%c " , &v[i][j]); ^ main.cpp:21:33: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("vila.in", "r", stdin); ^ main.cpp:22:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("vila.out", "w", stdout); ^ main.cpp:24:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d " , &n , &m); ^ main.cpp:27:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%c " , &v[i][j]); ^