Compilare: user.cpp: In function ‘int main()’: user.cpp:45:25: warning: for increment expression has no effect [-Wunused-value] for(int i=m;int j=n;i){ ^ user.cpp:43:9: warning: unused variable ‘v’ [-Wunused-variable] int v[d[m][n]],mx=d[m][n]; ^ user.cpp:43:20: warning: unused variable ‘mx’ [-Wunused-variable] int v[d[m][n]],mx=d[m][n]; ^ user.cpp:11:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cmlsc.in", "r", stdin); ^ user.cpp:12:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cmlsc.out", "w", stdout); ^ user.cpp:14:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &m, &n); ^ user.cpp:18:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &a[i]); ^ user.cpp:23:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &b[i]); ^