Submission #1234904

#TimeUsernameProblemLanguageResultExecution timeMemory
1234904hq77Fancy Fence (CEOI20_fancyfence)C++20
0 / 100
1 ms328 KiB
// Source: https://usaco.guide/general/io #include <bits/stdc++.h> #include <cctype> using namespace std; #define ll long long const int MOD=1e9+7; int main() { ll n;cin>>n; // vector<int>h(n); ll sum=0; for(int i=0;i<n;i++){ ll x,y;cin>>x>>y; sum+=y; } ll ans=0; for(int i=sum;i>=1;i--){ ans+=i%MOD; ans%=MOD; } cout<<ans; }
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...