oj.uz

답안 #706548

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
706548 2023-03-07T02:03:41 Z becaido Jail (JOI22_jail) C++17
5 / 100
 42 ms 1712 KB 
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx,popcnt,sse4,abm")
#include <bits/stdc++.h>
using namespace std;

#ifdef WAIMAI
#define debug(HEHE...) cout << "[" << #HEHE << "] : ", dout(HEHE)
void dout() {cout << '\n';}
template<typename T, typename...U>
void dout(T t, U...u) {cout << t << (sizeof...(u) ? ", " : ""), dout(u...);}
#else
#define debug(...) 7122
#endif

#define ll long long
#define Waimai ios::sync_with_stdio(false), cin.tie(0)
#define FOR(x,a,b) for (int x = a, I = b; x <= I; x++)
#define pb emplace_back
#define F first
#define S second

const int SIZE = 12e4 + 5;

int n, m;
tuple<int, int, int> p[SIZE];

void solve() {
    cin >> n;
    FOR (i, 2, n) {
        int a, b;
        cin >> a >> b;
    }
    cin >> m;
    FOR (i, 1, m) {
        int l, r;
        cin >> l >> r;
        p[i] = {min(l, r), max(l, r), l > r};
    }
    sort(p + 1, p + m + 1);
    int last = 0, t;
    FOR (i, 1, m) {
        auto [l, r, ty] = p[i];
        if (r <= last) {
            cout << "No\n";
            return;
        }
        if (l <= last && ty != t) {
            cout << "No\n";
            return;
        }
        last = r;
        t = ty;
    }
    cout << "Yes\n";
}

int main() {
    Waimai;
    int tt;
    cin >> tt;
    while (tt--) solve();
}

Compilation message

jail.cpp: In function 'void solve()':
jail.cpp:47:23: warning: 't' may be used uninitialized in this function [-Wmaybe-uninitialized]
   47 |         if (l <= last && ty != t) {
      |             ~~~~~~~~~~^~~~~~~~~~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 9 ms 340 KB Output is correct
5 Correct 12 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 15 ms 340 KB Output is correct
10 Correct 15 ms 332 KB Output is correct
11 Correct 3 ms 212 KB Output is correct
12 Correct 16 ms 212 KB Output is correct
13 Correct 23 ms 848 KB Output is correct
14 Correct 23 ms 848 KB Output is correct
15 Correct 26 ms 844 KB Output is correct
16 Correct 42 ms 1712 KB Output is correct
17 Correct 24 ms 972 KB Output is correct
18 Correct 36 ms 1612 KB Output is correct
19 Correct 28 ms 976 KB Output is correct
20 Correct 26 ms 1000 KB Output is correct
21 Correct 25 ms 964 KB Output is correct
22 Correct 25 ms 964 KB Output is correct

Subtask #2
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Incorrect 1 ms 212 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #3
0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Incorrect 1 ms 212 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #4
0 / 28.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Incorrect 1 ms 212 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Incorrect 1 ms 212 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #6
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 6 ms 212 KB Output is correct
6 Incorrect 1 ms 212 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #7
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 9 ms 340 KB Output is correct
5 Correct 12 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 15 ms 340 KB Output is correct
10 Correct 15 ms 332 KB Output is correct
11 Correct 3 ms 212 KB Output is correct
12 Correct 16 ms 212 KB Output is correct
13 Correct 23 ms 848 KB Output is correct
14 Correct 23 ms 848 KB Output is correct
15 Correct 26 ms 844 KB Output is correct
16 Correct 42 ms 1712 KB Output is correct
17 Correct 24 ms 972 KB Output is correct
18 Correct 36 ms 1612 KB Output is correct
19 Correct 28 ms 976 KB Output is correct
20 Correct 26 ms 1000 KB Output is correct
21 Correct 25 ms 964 KB Output is correct
22 Correct 25 ms 964 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Incorrect 1 ms 212 KB Output isn't correct
27 Halted 0 ms 0 KB -