提出 #1535498

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ソースコード 拡げる

#include <bits/stdc++.h>
#define F first
#define S second
using namespace std;
typedef long long ll;
typedef vector<ll> vi;
typedef vector<vi> vvi;
typedef vector<vvi> vvvi;
typedef pair<int, int> ii;
typedef vector<ii> vii;


int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    string s1, s2 , s3;
    cin >> s1 >> s2 >> s3;
    int ind1 = 0, ind2 = 0, ind3 = 0, cur = 0;
    while (true) {
        int aux;
        if (cur == 0) {
            if (ind1 == s1.size()) {
                cout << "A\n";
                return 0;
            }
            aux = s1[ind1++]-'a';
        } else if (cur == 1) {
            if (ind2 == s2.size()) {
                cout << "B\n";
                return 0;
            }
            aux = s2[ind2++]-'a';
        } else {
            if (ind3 == s3.size()) {
                cout << "C\n";
                return 0;
            }
            aux = s3[ind3++]-'a';
        }
        cur = aux;
    }
    return 0;
}

提出情報

ジャッジ結果