Compilare: user.cpp: In function ‘int main()’: user.cpp:22:12: warning: unused variable ‘m’ [-Wunused-variable] int n, m, i, j, s, t, d, c, pret, program, maxi; ^ user.cpp:22:24: warning: unused variable ‘t’ [-Wunused-variable] int n, m, i, j, s, t, d, c, pret, program, maxi; ^ user.cpp:22:27: warning: unused variable ‘d’ [-Wunused-variable] int n, m, i, j, s, t, d, c, pret, program, maxi; ^ user.cpp:19:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("carnati.in","r",stdin); ^ user.cpp:20:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("carnati.out","w",stdout); ^ user.cpp:25:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&c); ^ user.cpp:26:70: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for( i = 1; i <= n; ++i ) scanf("%d%d",&v[ i ].timp,&v[ i ].pret); ^