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QOJ

ID	Problem	Submitter	Result	Time	Memory	Language	File size	Submit time	Judge time
#397953	#8056. Travel 2	lifan	AC ✓	109ms	4980kb	C++14	1.9kb	2024-04-24 20:38:42	2024-04-24 20:38:42

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你现在查看的是最新测评结果

[2024-04-24 20:38:42]
评测

测评结果：AC
用时：109ms
内存：4980kb

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[2024-04-24 20:38:42]
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answer

// 
/*
世界の果てさえ
【世界的尽头在何处】
仆らは知らない
【我们也无从知晓】
*/
#include <cstdio>
#include <algorithm>
#include <cmath>
#include <cstring>
#include <vector>
#include <set>
#include <map>
#include <random>
#include <ctime>
#define pr pair <int, int>
#define mr make_pair
#define LL long long
#define ls tree[p].L
#define rs tree[p].R
using namespace std;
const int MAXN = 1e4 + 5;
int T, n, m, cnt, Fa[MAXN], d[MAXN], mx, now, y;
bool vis[MAXN];
char op[MAXN];
vector <int> v[MAXN], tree[MAXN];
void read(int &x) {
	x = 0; bool f = 1; char C = getchar();
	for(; C < '0' || C > '9'; C = getchar()) if(C == '-') f = 0;
	for(; C >= '0' && C <= '9'; C = getchar()) x = (x << 1) + (x << 3) + (C ^ 48);
	x = (f ? x : -x);
}
int findid(int x, int y) {
	for(int i = 0; i < v[x].size(); i ++) {
		if(v[x][i] == y) return i + 1;
	}
	return 114514;
}
int qwq, qaq;
void dfs(int x) {
	mx = max(mx, x);// printf("?%d %d %d?\n", x, v[x].size(), d[x]);
	if(v[x].size() < d[x]) {
		printf("> %d\n", v[x].size() + 1); fflush(stdout);
		read(now); read(y); v[x].emplace_back(now);
		if(d[now] == 0) {
			d[now] = y; v[now].clear();
		}
		dfs(now); return;
	}
	else {
		vis[x] = 1;
		for(auto y : v[x]) {
			if(vis[y]) continue;
			int t = findid(x, y); printf("> %d\n", t); fflush(stdout);
			read(qwq); read(qaq);
			dfs(y); t = findid(y, x); printf("> %d\n", t); fflush(stdout);
			read(qwq); read(qaq);
		}
	}
}
int main() {
	int x, y, now, nowt, z;
	for(scanf("%d", &T); T; T --) {
		memset(d, 0, sizeof(d)); memset(vis, 0, sizeof(vis));
		cnt = 0; read(now); read(y); v[now].clear(); cnt = y; mx = now;
		d[now] = y; dfs(now);
		printf("! "); fflush(stdout);
		for(int i = 1; i <= mx; i ++) {
			for(auto j : v[i]) if(i < j) printf("%d %d ", i, j), fflush(stdout);
		}
		printf("\n"); fflush(stdout);
		scanf("%s", op);
	}
	return 0;
}

Source code, Language: C++14

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100

Accepted

time: 1ms

memory: 4436kb

input:

output:

> 1
> 1
> 1
> 1
! 1 2 
> 1
> 1
> 2
> 1
> 3
> 1
> 1
> 2
> 2
> 2
> 2
> 1
> 2
> 1
! 1 2 1 3 1 4 2 4

result:

ok correct! (2 test cases)

Test #2:

score: 0

Accepted

time: 59ms

memory: 4292kb

input:

output:

> 1
> 1
> 2
> 1
> 3
> 1
> 4
> 1
> 5
> 1
> 6
> 1
> 7
> 1
> 8
> 1
> 9
> 1
> 1
> 2
> 2
> 2
> 3
> 2
> 4
> 3
> 2
> 4
> 2
> 5
> 2
> 2
> 3
> 3
> 4
> 6
> 4
> 7
> 3
> 2
> 4
> 3
> 3
> 4
> 5
> 4
> 5
> 5
> 3
> 6
> 5
> 5
> 6
> 5
> 3
> 6
> 7
> 7
> 4
> 6
> 5
> 8
> 6
> 7
> 4
> 8
> 7
> 2
> 8
> 5
> 9
> 6
> 2
> 8
> 7
...

result:

ok correct! (1000 test cases)

Test #3:

score: 0

Accepted

time: 94ms

memory: 4416kb

input:

output:

> 1
> 1
> 2
> 1
> 3
> 1
> 4
> 1
> 5
> 1
> 6
> 1
> 7
> 1
> 8
> 1
> 9
> 1
> 10
> 1
> 11
> 1
> 12
> 1
> 13
> 1
> 14
> 1
> 15
> 1
> 16
> 1
> 17
> 1
> 18
> 1
> 19
> 1
> 1
> 2
> 2
> 3
> 2
> 2
> 3
> 2
> 4
> 2
> 5
> 4
> 2
> 2
> 3
> 3
> 2
> 2
> 2
> 3
> 3
> 4
> 4
> 4
> 3
> 2
> 4
> 2
> 2
> 3
> 5
> 3
> 2
> 4
> ...

result:

ok correct! (500 test cases)

Test #4:

score: 0

Accepted

time: 109ms

memory: 4440kb

input:

output:

> 1
> 1
> 2
> 1
> 3
> 1
> 4
> 1
> 5
> 1
> 6
> 1
> 7
> 1
> 8
> 1
> 9
> 1
> 10
> 1
> 11
> 1
> 12
> 1
> 13
> 1
> 14
> 1
> 15
> 1
> 16
> 1
> 17
> 1
> 18
> 1
> 19
> 1
> 20
> 1
> 21
> 1
> 22
> 1
> 23
> 1
> 24
> 1
> 25
> 1
> 26
> 1
> 27
> 1
> 28
> 1
> 29
> 1
> 30
> 1
> 31
> 1
> 32
> 1
> 33
> 1
> 34
> 1
> 3...

result:

ok correct! (100 test cases)

Test #5:

score: 0

Accepted

time: 83ms

memory: 4512kb

input:

output:

> 1
> 1
> 2
> 1
> 3
> 1
> 4
> 1
> 5
> 1
> 6
> 1
> 7
> 1
> 8
> 1
> 9
> 1
> 10
> 1
> 11
> 1
> 12
> 1
> 13
> 1
> 14
> 1
> 15
> 1
> 16
> 1
> 17
> 1
> 18
> 1
> 19
> 1
> 20
> 1
> 21
> 1
> 22
> 1
> 23
> 1
> 24
> 1
> 25
> 1
> 26
> 1
> 27
> 1
> 28
> 1
> 29
> 1
> 30
> 1
> 31
> 1
> 32
> 1
> 33
> 1
> 34
> 1
> 3...

result:

ok correct! (10 test cases)

Test #6:

score: 0

Accepted

time: 102ms

memory: 4588kb

input:

output:

> 1
> 1
> 2
> 1
> 3
> 1
> 4
> 1
> 5
> 1
> 6
> 1
> 7
> 1
> 8
> 1
> 9
> 1
> 10
> 1
> 11
> 1
> 12
> 1
> 13
> 1
> 14
> 1
> 15
> 1
> 16
> 1
> 17
> 1
> 18
> 1
> 19
> 1
> 20
> 1
> 21
> 1
> 22
> 1
> 23
> 1
> 24
> 1
> 25
> 1
> 26
> 1
> 27
> 1
> 28
> 1
> 29
> 1
> 30
> 1
> 31
> 1
> 32
> 1
> 33
> 1
> 34
> 1
> 3...

result:

ok correct! (4 test cases)

Test #7:

score: 0

Accepted

time: 71ms

memory: 4472kb

input:

output:

> 1
> 1
> 2
> 1
> 3
> 1
> 4
> 1
> 5
> 1
> 6
> 1
> 7
> 1
> 8
> 1
> 9
> 1
> 10
> 1
> 11
> 1
> 12
> 1
> 13
> 1
> 14
> 1
> 15
> 1
> 16
> 1
> 17
> 1
> 18
> 1
> 19
> 1
> 20
> 1
> 21
> 1
> 22
> 1
> 23
> 1
> 24
> 1
> 25
> 1
> 26
> 1
> 27
> 1
> 28
> 1
> 29
> 1
> 30
> 1
> 31
> 1
> 32
> 1
> 33
> 1
> 34
> 1
> 3...

result:

ok correct! (4 test cases)

Test #8:

score: 0

Accepted

time: 45ms

memory: 4980kb

input:

output:

> 1
> 1
> 2
> 1
> 3
> 1
> 4
> 1
> 5
> 1
> 6
> 1
> 7
> 1
> 8
> 1
> 9
> 1
> 10
> 1
> 11
> 1
> 12
> 1
> 13
> 1
> 14
> 1
> 15
> 1
> 16
> 1
> 17
> 1
> 18
> 1
> 19
> 1
> 20
> 1
> 21
> 1
> 22
> 1
> 23
> 1
> 24
> 1
> 25
> 1
> 26
> 1
> 27
> 1
> 28
> 1
> 29
> 1
> 30
> 1
> 31
> 1
> 32
> 1
> 33
> 1
> 34
> 1
> 3...

result:

ok correct! (4 test cases)

Test #9:

score: 0

Accepted

time: 22ms

memory: 4732kb

input:

output:

> 1
> 1
> 2
> 1
> 3
> 1
> 4
> 1
> 5
> 1
> 6
> 1
> 7
> 1
> 8
> 1
> 9
> 1
> 10
> 1
> 11
> 1
> 12
> 1
> 13
> 1
> 14
> 1
> 15
> 1
> 16
> 1
> 17
> 1
> 18
> 1
> 19
> 1
> 20
> 1
> 21
> 1
> 22
> 1
> 23
> 1
> 24
> 1
> 25
> 1
> 26
> 1
> 27
> 1
> 28
> 1
> 29
> 1
> 30
> 1
> 31
> 1
> 32
> 1
> 33
> 1
> 34
> 1
> 3...

result:

ok correct! (4 test cases)

Extra Test:

score: 0

Extra Test Passed