Compilare: user.cpp: In function ‘int main()’: user.cpp:66:21: warning: unused variable ‘s’ [-Wunused-variable] int n, m, i, j, s, t, d, k, ii, jj; ^ user.cpp:66:24: warning: unused variable ‘t’ [-Wunused-variable] int n, m, i, j, s, t, d, k, ii, jj; ^ user.cpp:66:27: warning: unused variable ‘d’ [-Wunused-variable] int n, m, i, j, s, t, d, k, ii, jj; ^ user.cpp:66:33: warning: variable ‘ii’ set but not used [-Wunused-but-set-variable] int n, m, i, j, s, t, d, k, ii, jj; ^ user.cpp:63:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("interclasare.in","r",stdin); ^ user.cpp:64:43: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("interclasare.out","w",stdout); ^ user.cpp:69:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:70:48: 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",&v[i]); ^ user.cpp:73:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&m); ^ user.cpp:74:48: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for( i = 1; i <= m; ++i ) scanf("%d",&a[i]); ^