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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
#102736#5663. Tangle: A DAG for storing transactionsWPS#WA 1ms3684kbC++171.2kb2023-05-03 16:48:412023-05-03 16:48:43

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2023-05-03 16:48:43]
  • 评测
  • 测评结果:WA
  • 用时:1ms
  • 内存:3684kb
  • [2023-05-03 16:48:41]
  • 提交

answer

#include <bits/stdc++.h>
#define int long long
#define endl '\n'
using namespace std;
const int maxn = 1e4+10;
const int mod =(1ll<<31)-1;
const int INF = 0x3f3f3f3f3f3f3f3f;
vector<int>vec[maxn];
int val[maxn];
int sum_val[maxn];
vector<int> vis;

void dfs(int st,int v){
    if( vis[st] ) return;
    vis[st] = 1;
    sum_val[st]+=val[v];
    for(auto i:vec[st]){

        dfs(i,v);
    }
}
void solve(){
    int n,th;
    cin>>n>>th;
    for(int i=1;i<=n;i++){
        int now,pe1,pe2,wx;
        cin>>now>>pe1>>pe2>>wx;
        val[now]=wx;
        vec[now].push_back(pe1);
        vec[now].push_back(pe2);
    }
    for(int i=n+1;i>=2;i--){
        vis = vector<int>(n+2 , 0);
        dfs(i,i);
    }
    map<int,int>mp;
    for(int i=0;i<=n+1;i++){
        mp[sum_val[i]]=i;
    }
    vector<pair<int,int>>as;
    for(auto i:mp){
        if(i.first>=th){
            as.push_back({i.second,i.first});
        }
    }
    sort(as.begin(),as.end());
    for(auto i:as){
        cout<<i.first<<" "<<i.second<<endl;
    }
    cout<<as.size();
}

int32_t main(){
    ios::sync_with_stdio(false), cin.tie(0), cout.tie(0);

    int T=1;
//    cin>>T;
    while(T--){
        solve();
    }
    return 0;
}


詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 3684kb

input:

6 12
2 0 1 3
3 0 2 2
4 1 2 1
5 2 3 3
6 3 4 4
7 3 5 5

output:

2 18
3 14
2

result:

ok 3 lines

Test #2:

score: -100
Wrong Answer
time: 1ms
memory: 3584kb

input:

21 20
2 0 1 2
3 1 0 5
4 1 0 2
5 2 1 1
6 1 3 1
7 5 4 1
8 3 7 5
9 2 4 1
10 4 9 1
11 9 4 5
12 4 8 2
13 3 12 2
14 2 10 5
15 11 12 4
16 3 9 2
17 1 16 4
18 0 7 3
19 11 5 2
20 14 4 5
21 19 5 2
22 18 9 4

output:

1 59
2 51
3 25
4 50
5 26
7 21
9 35
7

result:

wrong answer 1st lines differ - expected: '2 51', found: '1 59'