Submission #1268844

#	Time	Username	Problem	Language	Result	Execution time	Memory
1268844		kawhiet	Simple game (IZhO17_game)	C++20	0 / 100	2 ms	320 KiB

game

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

void fileio(string s) {
#ifndef LOCAL
    freopen((s + ".in").c_str(), "r", stdin);
    freopen((s + ".out").c_str(), "w", stdout);
#endif
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    fileio("game");
    int n, q;
    cin >> n >> q;
    vector<int> a(n);
    for (int i = 0; i < n; i++) {
    	cin >> a[i];
    }
    while (q--) {
    	int t;
    	cin >> t;
    	if (t == 1) {
    		int id, h;
    		cin >> id >> h;
    		id--;
    		a[id] = h;
    	}
    	else {
    		int x;
    		cin >> x;
    		int res = 0;
    		for (int i = 1; i < n; i++) {
    			if (min(a[i], a[i - 1]) <= x && x <= max(a[i], a[i - 1])) {
    				res++;
    			}
    		}
    		cout << res << '\n';
    	}
    }
    return 0;
}

Compilation message (stderr)

game.cpp: In function 'void fileio(std::string)':
game.cpp:6:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    6 |     freopen((s + ".in").c_str(), "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
game.cpp:7:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    7 |     freopen((s + ".out").c_str(), "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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