Compilare: main.cpp: In function 'int main()': main.cpp:20:23: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long long int*' [-Wformat=] scanf("%d %d", &n, &m); ^ main.cpp:20:23: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'long long int*' [-Wformat=] main.cpp:17:31: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("lgput.in","r",stdin); ^ main.cpp:18:33: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("lgput.out","w",stdout); ^ main.cpp:20:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &n, &m); ^