Compilare: user.cpp: In function ‘int main()’: user.cpp:3:63: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] using namespace std;int main(){freopen("hacker3.in","r",stdin);freopen("hacker3.out","w",stdout);int n,x,y,ct;scanf("%d",&n);ct=n/3;long long rez;int a[ct+5];int b[ct+5];int k=0;for(int i=1; i<=n; i++){scanf("%d%d",&x,&y);if(i>(2*ct)){k++;a[i-(2*ct)]=x;b[i-(2*ct)]=y;}}rez=min(a[k],b[k]);for(int i=k-1; i>=1; i--) rez=min(rez+b[i],2*rez+a[i]);b[ct+1]=rez;fclose(stdin);freopen("hacker3.in","r",stdin);scanf("%d",&n);for(int i=1; i<=(2*ct); i++){scanf("%d%d",&x,&y);if(i>ct){a[i-ct]=x;b[i-ct]=y;}}for(int i=ct;i>=1;i--){rez=min(rez+b[i],2*rez+a[i]);}b[ct+1]=rez;fclose(stdin);freopen("hacker3.in","r",stdin);scanf("%d",&n);for(int i=1;i<=ct;i++){scanf("%d%d",&a[i],&b[i]);}for(int i=ct;i>=1;i--){rez=min(rez+b[i],2*rez+a[i]);}printf("%lld",rez);} ^ user.cpp:3:97: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] using namespace std;int main(){freopen("hacker3.in","r",stdin);freopen("hacker3.out","w",stdout);int n,x,y,ct;scanf("%d",&n);ct=n/3;long long rez;int a[ct+5];int b[ct+5];int k=0;for(int i=1; i<=n; i++){scanf("%d%d",&x,&y);if(i>(2*ct)){k++;a[i-(2*ct)]=x;b[i-(2*ct)]=y;}}rez=min(a[k],b[k]);for(int i=k-1; i>=1; i--) rez=min(rez+b[i],2*rez+a[i]);b[ct+1]=rez;fclose(stdin);freopen("hacker3.in","r",stdin);scanf("%d",&n);for(int i=1; i<=(2*ct); i++){scanf("%d%d",&x,&y);if(i>ct){a[i-ct]=x;b[i-ct]=y;}}for(int i=ct;i>=1;i--){rez=min(rez+b[i],2*rez+a[i]);}b[ct+1]=rez;fclose(stdin);freopen("hacker3.in","r",stdin);scanf("%d",&n);for(int i=1;i<=ct;i++){scanf("%d%d",&a[i],&b[i]);}for(int i=ct;i>=1;i--){rez=min(rez+b[i],2*rez+a[i]);}printf("%lld",rez);} ^ user.cpp:3:125: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] using namespace std;int main(){freopen("hacker3.in","r",stdin);freopen("hacker3.out","w",stdout);int n,x,y,ct;scanf("%d",&n);ct=n/3;long long rez;int a[ct+5];int b[ct+5];int k=0;for(int i=1; i<=n; i++){scanf("%d%d",&x,&y);if(i>(2*ct)){k++;a[i-(2*ct)]=x;b[i-(2*ct)]=y;}}rez=min(a[k],b[k]);for(int i=k-1; i>=1; i--) rez=min(rez+b[i],2*rez+a[i]);b[ct+1]=rez;fclose(stdin);freopen("hacker3.in","r",stdin);scanf("%d",&n);for(int i=1; i<=(2*ct); i++){scanf("%d%d",&x,&y);if(i>ct){a[i-ct]=x;b[i-ct]=y;}}for(int i=ct;i>=1;i--){rez=min(rez+b[i],2*rez+a[i]);}b[ct+1]=rez;fclose(stdin);freopen("hacker3.in","r",stdin);scanf("%d",&n);for(int i=1;i<=ct;i++){scanf("%d%d",&a[i],&b[i]);}for(int i=ct;i>=1;i--){rez=min(rez+b[i],2*rez+a[i]);}printf("%lld",rez);} ^ user.cpp:3:222: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] using namespace std;int main(){freopen("hacker3.in","r",stdin);freopen("hacker3.out","w",stdout);int n,x,y,ct;scanf("%d",&n);ct=n/3;long long rez;int a[ct+5];int b[ct+5];int k=0;for(int i=1; i<=n; i++){scanf("%d%d",&x,&y);if(i>(2*ct)){k++;a[i-(2*ct)]=x;b[i-(2*ct)]=y;}}rez=min(a[k],b[k]);for(int i=k-1; i>=1; i--) rez=min(rez+b[i],2*rez+a[i]);b[ct+1]=rez;fclose(stdin);freopen("hacker3.in","r",stdin);scanf("%d",&n);for(int i=1; i<=(2*ct); i++){scanf("%d%d",&x,&y);if(i>ct){a[i-ct]=x;b[i-ct]=y;}}for(int i=ct;i>=1;i--){rez=min(rez+b[i],2*rez+a[i]);}b[ct+1]=rez;fclose(stdin);freopen("hacker3.in","r",stdin);scanf("%d",&n);for(int i=1;i<=ct;i++){scanf("%d%d",&a[i],&b[i]);}for(int i=ct;i>=1;i--){rez=min(rez+b[i],2*rez+a[i]);}printf("%lld",rez);} ^ user.cpp:3:401: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] using namespace std;int main(){freopen("hacker3.in","r",stdin);freopen("hacker3.out","w",stdout);int n,x,y,ct;scanf("%d",&n);ct=n/3;long long rez;int a[ct+5];int b[ct+5];int k=0;for(int i=1; i<=n; i++){scanf("%d%d",&x,&y);if(i>(2*ct)){k++;a[i-(2*ct)]=x;b[i-(2*ct)]=y;}}rez=min(a[k],b[k]);for(int i=k-1; i>=1; i--) rez=min(rez+b[i],2*rez+a[i]);b[ct+1]=rez;fclose(stdin);freopen("hacker3.in","r",stdin);scanf("%d",&n);for(int i=1; i<=(2*ct); i++){scanf("%d%d",&x,&y);if(i>ct){a[i-ct]=x;b[i-ct]=y;}}for(int i=ct;i>=1;i--){rez=min(rez+b[i],2*rez+a[i]);}b[ct+1]=rez;fclose(stdin);freopen("hacker3.in","r",stdin);scanf("%d",&n);for(int i=1;i<=ct;i++){scanf("%d%d",&a[i],&b[i]);}for(int i=ct;i>=1;i--){rez=min(rez+b[i],2*rez+a[i]);}printf("%lld",rez);} ^ user.cpp:3:416: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] using namespace std;int main(){freopen("hacker3.in","r",stdin);freopen("hacker3.out","w",stdout);int n,x,y,ct;scanf("%d",&n);ct=n/3;long long rez;int a[ct+5];int b[ct+5];int k=0;for(int i=1; i<=n; i++){scanf("%d%d",&x,&y);if(i>(2*ct)){k++;a[i-(2*ct)]=x;b[i-(2*ct)]=y;}}rez=min(a[k],b[k]);for(int i=k-1; i>=1; i--) rez=min(rez+b[i],2*rez+a[i]);b[ct+1]=rez;fclose(stdin);freopen("hacker3.in","r",stdin);scanf("%d",&n);for(int i=1; i<=(2*ct); i++){scanf("%d%d",&x,&y);if(i>ct){a[i-ct]=x;b[i-ct]=y;}}for(int i=ct;i>=1;i--){rez=min(rez+b[i],2*rez+a[i]);}b[ct+1]=rez;fclose(stdin);freopen("hacker3.in","r",stdin);scanf("%d",&n);for(int i=1;i<=ct;i++){scanf("%d%d",&a[i],&b[i]);}for(int i=ct;i>=1;i--){rez=min(rez+b[i],2*rez+a[i]);}printf("%lld",rez);} ^ user.cpp:3:465: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] using namespace std;int main(){freopen("hacker3.in","r",stdin);freopen("hacker3.out","w",stdout);int n,x,y,ct;scanf("%d",&n);ct=n/3;long long rez;int a[ct+5];int b[ct+5];int k=0;for(int i=1; i<=n; i++){scanf("%d%d",&x,&y);if(i>(2*ct)){k++;a[i-(2*ct)]=x;b[i-(2*ct)]=y;}}rez=min(a[k],b[k]);for(int i=k-1; i>=1; i--) rez=min(rez+b[i],2*rez+a[i]);b[ct+1]=rez;fclose(stdin);freopen("hacker3.in","r",stdin);scanf("%d",&n);for(int i=1; i<=(2*ct); i++){scanf("%d%d",&x,&y);if(i>ct){a[i-ct]=x;b[i-ct]=y;}}for(int i=ct;i>=1;i--){rez=min(rez+b[i],2*rez+a[i]);}b[ct+1]=rez;fclose(stdin);freopen("hacker3.in","r",stdin);scanf("%d",&n);for(int i=1;i<=ct;i++){scanf("%d%d",&a[i],&b[i]);}for(int i=ct;i>=1;i--){rez=min(rez+b[i],2*rez+a[i]);}printf("%lld",rez);} ^ user.cpp:3:607: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] using namespace std;int main(){freopen("hacker3.in","r",stdin);freopen("hacker3.out","w",stdout);int n,x,y,ct;scanf("%d",&n);ct=n/3;long long rez;int a[ct+5];int b[ct+5];int k=0;for(int i=1; i<=n; i++){scanf("%d%d",&x,&y);if(i>(2*ct)){k++;a[i-(2*ct)]=x;b[i-(2*ct)]=y;}}rez=min(a[k],b[k]);for(int i=k-1; i>=1; i--) rez=min(rez+b[i],2*rez+a[i]);b[ct+1]=rez;fclose(stdin);freopen("hacker3.in","r",stdin);scanf("%d",&n);for(int i=1; i<=(2*ct); i++){scanf("%d%d",&x,&y);if(i>ct){a[i-ct]=x;b[i-ct]=y;}}for(int i=ct;i>=1;i--){rez=min(rez+b[i],2*rez+a[i]);}b[ct+1]=rez;fclose(stdin);freopen("hacker3.in","r",stdin);scanf("%d",&n);for(int i=1;i<=ct;i++){scanf("%d%d",&a[i],&b[i]);}for(int i=ct;i>=1;i--){rez=min(rez+b[i],2*rez+a[i]);}printf("%lld",rez);} ^ user.cpp:3:622: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] using namespace std;int main(){freopen("hacker3.in","r",stdin);freopen("hacker3.out","w",stdout);int n,x,y,ct;scanf("%d",&n);ct=n/3;long long rez;int a[ct+5];int b[ct+5];int k=0;for(int i=1; i<=n; i++){scanf("%d%d",&x,&y);if(i>(2*ct)){k++;a[i-(2*ct)]=x;b[i-(2*ct)]=y;}}rez=min(a[k],b[k]);for(int i=k-1; i>=1; i--) rez=min(rez+b[i],2*rez+a[i]);b[ct+1]=rez;fclose(stdin);freopen("hacker3.in","r",stdin);scanf("%d",&n);for(int i=1; i<=(2*ct); i++){scanf("%d%d",&x,&y);if(i>ct){a[i-ct]=x;b[i-ct]=y;}}for(int i=ct;i>=1;i--){rez=min(rez+b[i],2*rez+a[i]);}b[ct+1]=rez;fclose(stdin);freopen("hacker3.in","r",stdin);scanf("%d",&n);for(int i=1;i<=ct;i++){scanf("%d%d",&a[i],&b[i]);}for(int i=ct;i>=1;i--){rez=min(rez+b[i],2*rez+a[i]);}printf("%lld",rez);} ^ user.cpp:3:671: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] using namespace std;int main(){freopen("hacker3.in","r",stdin);freopen("hacker3.out","w",stdout);int n,x,y,ct;scanf("%d",&n);ct=n/3;long long rez;int a[ct+5];int b[ct+5];int k=0;for(int i=1; i<=n; i++){scanf("%d%d",&x,&y);if(i>(2*ct)){k++;a[i-(2*ct)]=x;b[i-(2*ct)]=y;}}rez=min(a[k],b[k]);for(int i=k-1; i>=1; i--) rez=min(rez+b[i],2*rez+a[i]);b[ct+1]=rez;fclose(stdin);freopen("hacker3.in","r",stdin);scanf("%d",&n);for(int i=1; i<=(2*ct); i++){scanf("%d%d",&x,&y);if(i>ct){a[i-ct]=x;b[i-ct]=y;}}for(int i=ct;i>=1;i--){rez=min(rez+b[i],2*rez+a[i]);}b[ct+1]=rez;fclose(stdin);freopen("hacker3.in","r",stdin);scanf("%d",&n);for(int i=1;i<=ct;i++){scanf("%d%d",&a[i],&b[i]);}for(int i=ct;i>=1;i--){rez=min(rez+b[i],2*rez+a[i]);}printf("%lld",rez);} ^