Compilare: user.cpp: In function ‘int main()’: user.cpp:18:18: warning: unused variable ‘j’ [-Wunused-variable] int n, m, i, j, s, t, d, c, ma, mi; ^ user.cpp:18:27: warning: unused variable ‘d’ [-Wunused-variable] int n, m, i, j, s, t, d, c, ma, mi; ^ user.cpp:18:30: warning: unused variable ‘c’ [-Wunused-variable] int n, m, i, j, s, t, d, c, ma, mi; ^ user.cpp:15:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("jetoane.in","r",stdin); ^ user.cpp:16:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("jetoane.out","w",stdout); ^ user.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); ^ user.cpp:22:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&vv[i]); ^ user.cpp:27:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&qq[i]); ^ user.cpp:18:37: warning: ‘mi’ may be used uninitialized in this function [-Wmaybe-uninitialized] int n, m, i, j, s, t, d, c, ma, mi; ^ user.cpp:18:33: warning: ‘ma’ may be used uninitialized in this function [-Wmaybe-uninitialized] int n, m, i, j, s, t, d, c, ma, mi; ^