제출 #167023

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
167023		hentai_lover	Simple game (IZhO17_game)	C++14	22 / 100	1061 ms	1812 KiB

game

#include <bits/stdc++.h>

#define fr(i, l, r) for(ll i = l; i <= r; ++ i)
#define rf(i, r, l) for(ll i = l; i >= r; -- i)

using namespace std;

typedef long long ll;
typedef pair<int, int> Pi;
typedef pair<ll, ll> Pll;

#define INF 87654321
#define IINF 1987654321987654321
#define MOD 1000000007

const ll N = (ll)1e6 + 10;

ll n, Q;
ll a[N];

int main() {
    cin >> n >> Q;
    fr(i, 1, n)cin >> a[i];
    a[0] = a[1];

    fr(z, 1, Q){
        ll t;
        cin >> t;
        if(t == 1){
            ll p, v;
            cin >> p >> v;
            if(p == 1){
                a[0] = v;
            }
            a[p] = v;
        }   else{
            ll x, ans = 0;
            cin >> x;
            fr(i, 1, n){
                bool ok = 0;
                if(a[i - 1] <= x && x <= a[i] || a[i] <= x && x <= a[i - 1])ok = 1;
                if(ok){
                    //cout << "           " << i << ' ' << a[i - 1] << ' ' << a[i] << endl;
                    ans ++;
                }
            }
            cout << ans << "\n";
        }
    }
}


/*
4 0
4
1 2
3 4
2 3
1 4
*/

컴파일 시 표준 에러 (stderr) 메시지

game.cpp: In function 'int main()':
game.cpp:41:34: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
                 if(a[i - 1] <= x && x <= a[i] || a[i] <= x && x <= a[i - 1])ok = 1;
                    ~~~~~~~~~~~~~~^~~~~~~~~~~~

• Subtask 1: 22 / 22
• Subtask 2: 0 / 27
• Subtask 3: 0 / 51