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QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #736683 | #6810. Array Concatenation | caiwen | Compile Error | / | / | C++14 | 632b | 2024-11-12 12:32:46 | 2024-11-12 12:32:46 |
Judging History
answer
#include<cstdio>using namespace std;const long long M=1e9+7;int main(){ long long n,m,x=0,y=0,g=0; scanf("%Ld%Ld",&n,&m); for(long long i=1;i<=n;i++) { long long a; scanf("%Ld",&a); x+=a*i; y+=a*(n-i+1); g+=a; x%=M; y%=M; g%=M; } if(y>=x) { long long h=0,pw=1; for(long long i=1;i<=m;i++) { pw*=2; pw%=M; } h+=y*pw; h%=M; long long p=pw*(pw-1)/2,q=n*g; p%=M; q%=M; h+=p*q; h%=M; printf("%Ld",h); } else { long long h=0,pw=1; for(long long i=1;i<m;i++) { pw*=2; pw%=M; } h+=y*pw+x*pw; h%=M; pw*=2; pw%=M; long long p=pw*(pw-1)/2,q=n*g; p%=M; q%=M; h+=p*q; h%=M; printf("%Ld",h); } return 0;}
Details
answer.code:1:23: warning: extra tokens at end of #include directive
1 | #include<cstdio>using namespace std;const long long M=1e9+7;int main(){ long long n,m,x=0,y=0,g=0; scanf("%Ld%Ld",&n,&m); for(long long i=1;i<=n;i++) { long long a; scanf("%Ld",&a); x+=a*i; y+=a*(n-i+1); g+=a; x%=M; y%=M; g%=M; } if(y>=x) { long long h=0,pw=1; for(long long i=1;i<=m;i++) { pw*=2; pw%=M; } h+=y*pw; h%=M; long long p=pw*(pw-1)/2,q=n*g; p%=M; q%=M; h+=p*q; h%=M; printf("%Ld",h); } else { long long h=0,pw=1; for(long long i=1;i<m;i++) { pw*=2; pw%=M; } h+=y*pw+x*pw; h%=M; pw*=2; pw%=M; long long p=pw*(pw-1)/2,q=n*g; p%=M; q%=M; h+=p*q; h%=M; printf("%Ld",h); } return 0;}
| ^~~~~~~~~
answer.code:1:9: fatal error: cstdio>usin: No such file or directory
1 | #include<cstdio>using namespace std;const long long M=1e9+7;int main(){ long long n,m,x=0,y=0,g=0; scanf("%Ld%Ld",&n,&m); for(long long i=1;i<=n;i++) { long long a; scanf("%Ld",&a); x+=a*i; y+=a*(n-i+1); g+=a; x%=M; y%=M; g%=M; } if(y>=x) { long long h=0,pw=1; for(long long i=1;i<=m;i++) { pw*=2; pw%=M; } h+=y*pw; h%=M; long long p=pw*(pw-1)/2,q=n*g; p%=M; q%=M; h+=p*q; h%=M; printf("%Ld",h); } else { long long h=0,pw=1; for(long long i=1;i<m;i++) { pw*=2; pw%=M; } h+=y*pw+x*pw; h%=M; pw*=2; pw%=M; long long p=pw*(pw-1)/2,q=n*g; p%=M; q%=M; h+=p*q; h%=M; printf("%Ld",h); } return 0;}
| ^~~~~~~~~~~~~
compilation terminated.