Compilare: main.cpp: In function 'int main()': main.cpp:14:43: warning: unused variable 'j' [-Wunused-variable] int n,p,i,cnt=0,nrf=0,p1f=0,p2f=0,pos,j; ^ main.cpp:12:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("teatru.in","r",stdin); ^ main.cpp:13:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("teatru.out","w",stdout); ^ main.cpp:16:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%c",&n, &p,&ch); ^ main.cpp:21:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%c",&v[i]); ^ main.cpp: In function 'void set_0()': main.cpp:7:13: warning: iteration 30 invokes undefined behavior [-Waggressive-loop-optimizations] f[i]=0; ~~~~^~ main.cpp:6:18: note: within this loop for(int i=0;i<=30;i++) ~^~~~