Submission #953605

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;

#define rep(i,x,y) for(int i=(x);i<(y);++i)
#define debug(x) #x << "=" << (x)

#ifdef DEBUG
#define _GLIBCXX_DEBUG
#define print(x) std::cerr << debug(x) << " (L:" << __LINE__ << ")" << std::endl
#else
#define print(x)
#endif

const int inf=1e9;
const int64_t inf64=1e18;
const double eps=1e-9;

template <typename T> ostream &operator<<(ostream &os, const vector<T> &vec){
    os << "[";
    for (const auto &v : vec) {
    	os << v << ",";
    }
    os << "]";
    return os;
}

void solve(){
    int n;
    string s,t;
    cin >> n >> s >> t;
    rep(i,0,n+1){
        string u=s.substr(0,i)+t;
        bool ok=true;
        rep(j,0,n){
            if(s[j]!=u[j]){
                ok=false;
                break;
            }
        }
        if(!ok) continue;
        rep(j,0,n){
            if(t[n-j-1]!=u[u.size()-j-1]){
                ok=false;
                break;
            }
        }
        cout << u.size() << endl;
        return;
    }
}

int main(){
    std::cin.tie(0);
    std::ios::sync_with_stdio(false);
    cout.setf(ios::fixed);
    cout.precision(10);
    solve();
    return 0;
}

Submission Info

Judge Result