Compilare: user.cpp: In function ‘int main()’: user.cpp:217:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("ausoara.in","r",stdin); ^ user.cpp:218:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("ausoara.out","w",stdout); ^ user.cpp:219:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:224:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&m); ^ user.cpp:230:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&c); ^ user.cpp:245:15: warning: iteration 10004u invokes undefined behavior [-Waggressive-loop-optimizations] if(f[i]) ^ user.cpp:244:14: note: containing loop for(i=1;i<=val;i++) ^ user.cpp:240:37: warning: iteration 10004u invokes undefined behavior [-Waggressive-loop-optimizations] f[t]=min(f[t],f1[t]); ^ user.cpp:239:22: note: containing loop for(t=1;t<=val;t++) ^ user.cpp:249:15: warning: iteration 10004u invokes undefined behavior [-Waggressive-loop-optimizations] if(f[i]) ^ user.cpp:248:14: note: containing loop for(i=1;i<=val;i++) ^