제출 #420319

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
420319		egorlifar	Crossing (JOI21_crossing)	C++17	26 / 100	7099 ms	4524 KiB

Main

/*
KAMUI!
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*/
#include <iostream>
#include <complex>
#include <vector>
#include <string>
#include <algorithm>
#include <cstdio>
#include <numeric>
#include <cstring>
#include <ctime>
#include <cstdlib>
#include <set>
#include <map>
#include <unordered_map>
#include <unordered_set>
#include <list>
#include <cmath>
#include <bitset>
#include <cassert>
#include <queue>
#include <stack>
#include <deque>
#include <random>
 
using namespace std;
template<typename T1, typename T2> inline void chkmin(T1 &a, T2 b) {if (a > b) a = b;}
template<typename T1, typename T2> inline void chkmax(T1 &a, T2 b) {if (a < b) a = b;}
#define files(FILENAME) read(FILENAME); write(FILENAME)
#define read(FILENAME) freopen((FILENAME + ".in").c_str(), "r", stdin)
#define write(FILENAME) freopen((FILENAME + ".out").c_str(), "w", stdout)
#define all(c) (c).begin(), (c).end()
#define sz(c) (int)(c).size()
#define left left228
#define right right228
#define y1 y1228
#define mp make_pair
#define pb push_back
#define y2 y2228
#define rank rank228
using ll = long long;
using ld = long double; 
const string FILENAME = "input";
const int Mod = 998244353;


int sum(int a, int b) {
    return (a + b >= Mod ? a + b - Mod: a + b);
}


int mul(int a, int b) {
    return ((ll)a * b) % Mod;
}


int powm(int a, int b) {
    int res = 1;
    while (b) {
        if (b & 1) {
            res = mul(res, a);
        }
        a = mul(a, a);
        b >>= 1;
    }
    return res;
}


int inv(int a) {
    return powm(a, Mod - 2);
}
 

int n;
string s[3];
int q;
string t0;


void solve() {
    cin >> n;
    for (int i = 0; i < 3; i++) {
        cin >> s[i];
    }    
    cin >> q;
    cin >> t0;
    vector<string> goods;
    for (int mask = 1; mask <= 7; mask++) {
        vector<int> st;
        for (int i = 0; i < 3; i++) {
            if (mask & (1 << i)) {
                st.pb(i);
            }
        }
        do {
            string cur;
            for (auto i: st) {
                if (cur.empty()) {
                    cur = s[i];
                } else {
                    for (int j = 0; j < n; j++) {
                        if (cur[j] == s[i][j]) {
                            continue;
                        } 
                        cur[j] = cur[j] ^ s[i][j] ^ 'J' ^ 'O' ^ 'I';
                    }
                }
            }
            goods.pb(cur);
        } while (next_permutation(all(st)));
    }
    bool ok = false;
    for (auto x: goods) {
        if (x == t0) {
            ok = true;
        }
    }
    if (ok) {
        cout << "Yes\n";
    } else {
        cout << "No\n";
    }
    for (int it = 0; it < q; it++) {
        int l, r;
        char c;
        cin >> l >> r >> c;
        l--, r--;
        for (int i = l; i <= r; i++) {
            t0[i] = c;
        }
        bool ok = false;
        for (auto x: goods) {
            if (x == t0) {
                ok = true;
            }
        }
        if (ok) {
            cout << "Yes\n";
        } else {
            cout << "No\n";
        }
    }      
}


int main() {
    //12:15
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
   // read(FILENAME);
    int t;
    t = 1;
  //  cin >> t;
    while (t--) {
        solve();
    }
    return 0;
}

• Subtask 1: 3 / 3
• Subtask 2: 0 / 23
• Subtask 3: 23 / 23
• Subtask 4: 0 / 51