提出 #64503300

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ソースコード 拡げる

// 내가 더 잘할게요 이렇게 같이 있어준다면
#include <bits/stdc++.h>
#include <iostream>
#include <vector>
using namespace std;
#define rep(i,a,b) for (int i = (a); i < (b); i++)

#define ll long long
#define ar array
#define pb push_back
#define ub upper_bound
#define lb lower_bound 
int main(){
    ios::sync_with_stdio(0);
    cin.tie(0);
    
    ll N;
    int M;
    cin >> N >> M;
    
    ll X = 0, term = 1;
    for (int i = 0; i <= M; i++){
        X += term;
        if(X > 1000000000LL){
            cout << "inf" << "\n";
            return 0;
        }
        if(i < M){
            if(term > 1000000000LL / N)
                term = 1000000001LL; 
            else
                term *= N;
        }
    }
    
    cout << X << "\n";
    return 0;
}

提出情報

ジャッジ結果