제출 #1256462

#제출 시각아이디문제언어결과실행 시간메모리
1256462raiihanTrol (COCI19_trol)C++20
20 / 50
1095 ms328 KiB
#include <bits/stdc++.h> using namespace std; int c(int a){ int ans=0; while (a!=0){ ans+=a%10; a/=10; } if (ans/10!=0)return c(ans); return ans; } int sum(int y,int x){ int ans=0; for (int i=y-1;i<x;i++)ans+=i%9+1; return ans; } int main() { int q; cin>>q; while (q--){ int l,r;cin>>l>>r; cout<<sum(l,r)<<endl; } }
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