제출 #1359223

#제출 시각아이디문제언어결과실행 시간메모리
1359223AzeTurk810Bitaro the Brave (JOI19_ho_t1)C++20
100 / 100
226 ms150736 KiB
/*
Telebe of Adicto && Mamedov yani AzeTurk810
I see humans but no humanity
*/
#include <iostream>
#include <vector>

// mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

using ll = long long;
using namespace std;

#define ln '\n'
#define INFi 1e9
#define INFll 1e18

#ifdef ONPC
#include <algo.hpp>
#else
#define dbg(...)
#define dbg_out(...)
#endif

int _h, _w;
vector<vector<char>> G;
vector<vector<ll>> cntI, cntO;

inline void systemd() {
    G.resize(_h + 2, vector<char>(_w + 2));
    cntO.assign(_h + 2, vector<ll> (_w + 2));
    cntI.assign(_h + 2, vector<ll> (_w + 2));
}

char solve() {
    if (!(cin >> _h >> _w))
        return 1;
    systemd();
    for (size_t i = 1; i <= _h; i++) {
        for (size_t j = 1; j <= _w; j++) {
            cin >> G[i][j];
        }
    }
    for (int i = _h; i >= 1; --i) {
        for (int j = _w; j >= 1; --j) {
            cntO[i][j] = cntO[i][j + 1] + (G[i][j] == 'O');
        }
    }
    for (size_t j = 1; j <= _w; j++) {
        for (int i = _h; i >= 1; --i) {
                cntI[i][j] = cntI[i + 1][j] + (G[i][j] == 'I');
        }
    }
    ll ans = 0;
    for (size_t i = 1; i <= _h; i++) {
        for (size_t j = 1; j <= _w; j++) {
            if (G[i][j] == 'J') {
                dbg(make_pair(i, j));
                dbg(cntI[j]);
                dbg(cntO[i]);
                ans += (ll)cntI[i][j] * cntO[i][j];
            }
        }
    }
    cout << ans << ln;
    return 0;
}

// Attack on titan<3

signed main() {
    ios::sync_with_stdio(0);
    cin.tie(nullptr);
    int t = 1e9;
    // cin >> t;
    for (int cases = 0; cases < t; cases++) {
        if (solve())
            break;
#ifdef ONPC
        cerr << "__________\n";
#endif
    }
}
// Just Imaginary
/*
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣀⣀⠀⠀⠀⢀⣴⣾⠀⠀⠀⡀⢀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⣿⣿⣿⣦⣾⣿⣿⣿⣿⣿⡆⠁⠀⢀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠹⣿⣿⣿⣿⣿⣿⣿⣿⡿⠁⠀⡠⠂⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣀⠠⠔⠚⣿⣿⣿⣿⣿⣦⡄⠀⠁⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⢀⠠⠐⢂⠉⡀⣀⣤⣄⢻⣿⣿⡟⢈⡹⣿⡀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⡀⠄⠂⠈⠀⣶⣤⣾⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⠘⣷⡀⠀⡀⠐⠂⠐⢄
⠀⠀⠀⠀⠀⠀⠀⣿⣿⠟⠿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣧⣀⣾⣷⠯⠀⠤⠤⠄⠈
⠀⠀⠀⠀⠀⠀⣼⣿⡟⠀⠀⣹⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣷⣄⡀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⣰⣿⠋⠀⠀⢠⣾⣿⣿⣿⣿⣿⣭⠟⢻⣿⣿⣿⣿⡿⠁⠀⠀⠀⠀
⠀⠀⠀⣀⣶⡟⠁⠀⢾⣶⣿⠟⠉⠈⢻⣿⣿⣿⣦⣜⠀⠛⠛⠿⠁⠀⠀⠀⠀⠀
⠚⠻⠿⠿⡿⠁⠀⢠⣿⣿⠁⠀⣠⠖⠋⠉⠻⣿⣿⣿⣶⡀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⣰⣿⡿⠃⠠⠊⠁⠀⠀⠀⠀⠈⢿⣿⣿⠟⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⢀⣴⡿⠋⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠘⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⣠⣾⠏⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⢀⣴⠾⠟⠛⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
*/
#결과 실행 시간메모리채점기 출력
결과를 불러오는 중입니다…
#결과 실행 시간메모리채점기 출력
결과를 불러오는 중입니다…
#결과 실행 시간메모리채점기 출력
결과를 불러오는 중입니다…