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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
#89866#5110. Splitstream_skb_#WA 3ms3368kbC++141.9kb2023-03-21 17:32:342023-03-21 17:32:36

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.
  • [2023-03-21 17:32:36]
  • 评测
  • 测评结果:WA
  • 用时:3ms
  • 内存:3368kb
  • [2023-03-21 17:32:34]
  • 提交

answer

#include <bits/stdc++.h>

using namespace std;

#define ll long long

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

    ll n,q,m;
    cin>>m>>n>>q;
    vector<ll> sz(4*n+1);
    vector<pair<int,int>> par(4*n+1);
    sz[1]=m;
    for(int i=0;i<n;i++){
        char p;
        int x,y,z;
        cin>>p>>x>>y>>z;
        if(p=='S'){
            par[y]={x,-1};
            par[z]={-1,x};
            sz[y]=(sz[x]+1)/2;
            sz[z]=sz[x]/2;
        }
        else{
            par[z]={x,y};
            sz[z]=sz[x]+sz[y];
        }
    }
    
    while(q--){
        ll u,k;
        cin>>u>>k;
        int f=1;
        while(u!=1){
            int x=par[u].first;
            int y=par[u].second;
            if(k>sz[u]){
                f=0;
                break;
            }
            if(x==-1){
                u=y;
                k=2*k;
            }   
            else if(y==-1){
                u=x;
                k=2*k-1;
            }
            else{
                ll a=sz[x];
                ll b=sz[y];
                if(k>a+b){
                    f=0;
                    break;
                }
                if(a>=b){
                    if(k<2*b){
                        if(k%2) u=x;
                        else u=y;
                        k=(k+1)/2;
                    }
                    else{
                        u=x;
                        k=k-b;
                    }
                }
                else{
                    if(k<2*a){
                        if(k%2) u=x;
                        else u=y;
                        k=(k+1)/2;
                    }
                    else{
                        u=y;
                        k=k-a;
                    }
                }
            }
        }
        if(k>m) f=0;
        if(!f) cout<<"none\n";
        else cout<<k<<"\n";
    }



}

詳細信息

Test #1:

score: 0
Wrong Answer
time: 3ms
memory: 3368kb

input:

5 8 26
M 8 9 13
S 2 4 5
S 1 2 3
M 6 5 8
S 4 9 10
S 10 14 15
S 3 6 7
S 7 11 12
2 3
2 4
3 2
3 3
4 2
4 3
5 1
5 2
6 1
6 2
7 1
7 2
8 2
8 3
9 1
9 2
10 1
10 2
11 1
11 2
12 1
13 3
13 4
14 1
14 2
15 1

output:

5
none
4
none
none
none
none
none
2
none
4
none
none
none
none
none
none
none
4
none
none
none
none
none
none
none

result:

wrong answer 5th lines differ - expected: '5', found: 'none'