Compilare: user.cpp: In function ‘int main()’: user.cpp:48:18: warning: unused variable ‘j’ [-Wunused-variable] int n, m, i, j, s, t, x, y, maxi; ^ user.cpp:48:21: warning: unused variable ‘s’ [-Wunused-variable] int n, m, i, j, s, t, x, y, maxi; ^ user.cpp:48:24: warning: unused variable ‘t’ [-Wunused-variable] int n, m, i, j, s, t, x, y, maxi; ^ user.cpp:45:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("asmax.in","r",stdin); ^ user.cpp:46:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("asmax.out","w",stdout); ^ user.cpp:50:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:51:55: 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",&nodVal[ i ]); ^ user.cpp:56:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&x,&y); ^