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QOJ

ID	题目	提交者	结果	用时	内存	语言	文件大小	提交时间	测评时间
#556369	#9251. Graph Changing	no_RED_no_DEAD	WA	0ms	3644kb	C++20	1.9kb	2024-09-10 17:23:19	2024-09-10 17:23:21

Judging History

你现在查看的是最新测评结果

[2024-09-10 17:23:21]
评测

测评结果：WA
用时：0ms
内存：3644kb

查看

[2024-09-10 17:23:19]
提交

answer

#include "bits/stdc++.h"
using namespace std;
using ll = long long;

const ll N = 1e6 + 1;
const ll M = 1e9 + 7;

ll jump_x_y(ll x, ll y, ll n, ll k) {
    if (y - x >= k) return 1;
    return 1e18;
}

ll jump_x_1_y(ll x, ll y, ll n, ll k) {
    if (x - 1 >= k && y - 1 >= k) return 2;
    return 1e18;
}

ll jump_x_n_y(ll x, ll y, ll n, ll k) {
    if (n - x >= k && n - y >= k) return 2;
    return 1e18;
}

ll jump_x_n_1_y(ll x, ll y, ll n, ll k) {
    if (n - x >= k && n - 1 >= k && y - 1 >= k) return 3;
    return 1e18;
}

ll jump_x_1_n_y(ll x, ll y, ll n, ll k) {
    if (x - 1 >= k && n - 1 >= k && n - y >= k) return 3;
    return 1e18;
}

ll jump(ll x, ll y, ll n, ll k) {
    ll res = 1e18;
    res = min({
        jump_x_y(x, y, n, k),
        jump_x_1_y(x, y, n, k),
        jump_x_n_y(x, y, n, k),
        jump_x_1_n_y(x, y, n, k),
        jump_x_n_1_y(x, y, n, k),
    });
    if (res == 1e18) return -1;
    return res;
}

void doTest(ll testID) {
    ll t, n, k, x, y; cin >> t >> n >> k >> x >> y; if (x > y) swap(x, y);
    if (t == 0) {cout << y - x << '\n'; return;}
    if (t == 1) {cout << jump(x, y, n, k) << '\n'; return;}
    if (k == 1) {cout << "1\n"; return;}

    // TH1: k = 2 => BC = B0, BL = -1, 1, 2, 3
    if (k == 2) {
        if (n <= 2) {cout << "-1\n"; return;}
        if (n == 3) {cout << "-1\n"; return;}
        if (t % 2 == 0) {cout << y - x << '\n'; return;}
        else {cout << jump(x, y, n, k) << '\n'; return;}
    }

    // TH2: k = 3
    if (k == 3) {
        if (n >= 7 || n <= 5) {cout << "-1\n"; return;}
        if (t > 3) {cout << "-1\n"; return;}
        cout << ((x == 3 && y == 4) ? "1\n" : "-1\n"); return;
    }

    // TH3: k >= 4
    if (k >= 4) {cout << "-1\n"; return;}
}

signed main() {
    ios_base::sync_with_stdio(0); cin.tie(0);

    int test = 1; 
    cin >> test;
    for (int _ = 1; _ <= test; _ ++) doTest(test);
}

源文件, 语言: C++20

詳細信息

Test #1:

score: 100

Accepted

time: 0ms

memory: 3552kb

input:

output:

result:

ok 5 lines

Test #2:

score: 0

Accepted

time: 0ms

memory: 3644kb

input:

output:

1
-1
-1
-1
-1
-1
1
-1
-1
-1
-1
-1
1
-1
-1
-1
-1
-1
1
-1
-1
-1
-1
-1
1
-1
-1
-1
-1
-1

result:

ok 30 lines

Test #3:

score: 0

Accepted

time: 0ms

memory: 3580kb

input:

output:

1
1
1
-1
1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
1
1
1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
1
1
1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
1
1
1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
1
1
1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1

result:

ok 90 lines

Test #4:

score: 0

Accepted

time: 0ms

memory: 3584kb

input:

output:

1
1
1
1
1
1
2
1
1
3
1
2
-1
-1
1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
1
1
1
1
1
1
1
2
3
1
2
1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
1
1
1
1
1
1
2
1
1
3
1
2
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
1
1
1
1
1
1
1...

result:

ok 180 lines

Test #5:

score: -100

Wrong Answer

time: 0ms

memory: 3580kb

input:

output:

1
1
1
1
1
1
1
1
1
1
2
1
1
1
2
1
1
2
1
2
2
-1
1
1
-1
3
1
-1
-1
2
-1
-1
-1
1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
1
1
1
1
1
1
1
1
1
1
1
2
3
4
1
2
3
1
2
1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1...

result:

wrong answer 86th lines differ - expected: '1', found: '-1'