제출 #198369

#제출 시각아이디문제언어결과실행 시간메모리
198369grobarTrol (COCI19_trol)C++14
30 / 50
1088 ms376 KiB
#include<bits/stdc++.h> using namespace std; string convert(int num) { string ss=""; int cifra; string c1=""; while(num>0) { cifra=num%10; c1=cifra+'0'; num=num/10; ss=ss+c1; } return ss; } int main() { int t; cin>>t; long long int a,b; while(t>0) { long long int sum=0; cin>>a>>b; //string sss; for(long long int i=a;i<=b;i++) { if(i%9==0) { sum=sum+9; }else { sum=sum+(i%9); } //cout<<sum<<endl; } cout<<sum<<endl; t--; } }
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