Task: | Alitaulukot |
Sender: | Uolevi |
Submission time: | 2018-01-14 20:23:22 +0200 |
Language: | C++ |
Status: | READY |
Result: | 0 |
group | verdict | score |
---|---|---|
#1 | WRONG ANSWER | 0 |
#2 | WRONG ANSWER | 0 |
test | verdict | time | group | |
---|---|---|---|---|
#1 | WRONG ANSWER | 0.05 s | 1 | details |
#2 | WRONG ANSWER | 0.10 s | 2 | details |
Compiler report
input/code.cpp: In function 'int main()': input/code.cpp:17:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v.size()/2;i++){ ^ input/code.cpp:21:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=v.size()-1;i>v.size()/2-1;i--){ ^
Code
#include <bits/stdc++.h> using namespace std; long long n; long long m; long long x = 10e9+7; vector<int> v; long long z; int main(){ cin >> n; //cout << n; for(int i=0;i<n;i++){ cin >> m; //cout << m << "\n"; v.push_back(m); } for(int i=0;i<v.size()/2;i++){ z += (v[i]%x*(n+i*(n/2)%x)); z = z%x; } for(int i=v.size()-1;i>v.size()/2-1;i--){ z += v[i]%x*(n+(n/2)*(n-i-1)%x); z = z%x; } cout << z; }