提出 #68549374

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ソースコード 拡げる

#include <bits/stdc++.h>
#ifdef LOCAL
#include "debug.h"
#else
#define dbg(...) 0
#endif
using namespace std;
using ll = long long;
using db = double;
const ll N = 1e6 + 5;
const ll md = 998244353;
const ll MOD = 1e9 + 7;
const ll INF = 0x3f3f3f3f3f3f3f;
const db PI = acos(-1);
const db eps = 1e-6;
const db E = 2.718281828459045;
typedef pair<ll, ll> PLL;
#define fi first
#define se second
ll b[N];
void solve()
{
    ll n, q, l, r;
    cin >> n >> q;
    string s1, s2;
    cin >> s1 >> s2;
    s1 = '@' + s1;
    s2 = '@' + s2;

    while (q--)
    {
        cin >> l >> r;
        b[l]++;
        b[r + 1]--;
    }
    for (ll i = 1; i <= n; i++)
        b[i] += b[i - 1];
    for (ll i = 1; i <= n; i++)
    {
        if (b[i] % 2)
            swap(s1[i], s2[i]);
    }
    for (ll i = 1; i <= n; i++)
        cout << s1[i];
}
int main()
{
    ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
    int T;
    T = 1;
    // cin>>T;
    while (T--)
    {
        solve();
    }
}

提出情報

ジャッジ結果