提出 #46431032

---

ソースコード 拡げる

/*
Author : Hocky Yudhiono
Sel 10 Okt 2023 05:18:05
*/

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

typedef long long ll;
typedef long long LL;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<vi> vvi;
typedef vector<vl> vvl;
typedef pair<int, int> PII;
typedef pair<int, int> pii;
typedef pair<ll, ll> PLL;
typedef pair<ll, ll> pll;
typedef long double ld;

#define rep(i, a, b) for(int i = a; i < (b); ++i)
#define trav(a, x) for(auto& a : x)
#define all(x) begin(x), end(x)
#define sz(x) (int)(x).size()
#define popf pop_front
#define pf push_front
#define popb pop_back
#define pb push_back
#define fi first
#define se second

const double EPS = 1e-9;
const int INFMEM = 63;

// Do dir^1 to get reverse direction
const int dx[8] = {0, 0, 1, -1, 1, -1, 1, -1};
const int dy[8] = {1, -1, 0, 0, 1, -1, -1, 1};
const char dch[4] = {'R', 'L', 'D', 'U'};

// Do (dir + 2)%4 to get reverse direction
// const int dx[8] = {-1,0,1,0,-1,1,1,-1};
// const int dy[8] = {0,1,0,-1,1,1,-1,-1};
// const char dch[4] = {'U','R','D','L'};
const double PI = 3.141592653589793;

inline void fasterios() {
  cin.tie(0)->sync_with_stdio(0);
  cin.exceptions(cin.failbit);
}
#define endl '\n'
const int MOD = 1000000007;
// const int MOD = 998244353;
int main() {
  fasterios();
  int n, m; cin >> n >> m;
  string s, t; cin >> s >> t;
  int can = 3;
  for (int i = 0; i < n; i++) {
    if (s[i] != t[i]) {
      can ^= 1;
      break;
    }
  }
  for (int i = n - 1, j = m - 1; i >= 0; i--, j--) {
    if (s[i] != t[j]) {
      can ^= 2;
      break;
    }
  }
  if(can == 0 || can == 3) can ^= 3;
  cout << can << endl;
}

提出情報

ジャッジ結果