Submission #663166

#	Time	Username	Problem	Language	Result	Execution time	Memory
663166		karrigan	Teams (IOI15_teams)	C++14	21 / 100	4070 ms	130252 KiB

teams

//#include "teams.h"
#include<bits/stdc++.h>
using namespace std;
int a[100001];
int b[100001];
vector<int>use[100001];
int vis[100001];
bool cmp(int i,int j){
return b[i]<b[j];
}
int n;
void init(int N,int A[],int B[]){
n=N;
for (int i=1;i<=n;i++){
    a[i]=A[i-1];
    b[i]=B[i-1];
}
for (int i=1;i<=n;i++){
    for (int j=1;j<=n;j++){
        if (a[j]<=i&&b[j]>=i){
            use[i].push_back(j);
        }
    }
    sort(use[i].begin(),use[i].end(),cmp);
}
}
int can(int M,int K[]){
for (int i=1;i<=n;i++)vis[i]=0;
sort(K,K+M);
for (int i=0;i<M;i++){
    int cnt=0;
    for (auto v:use[K[i]]){
        if (cnt==K[i])break;
        if (vis[v])continue;
        vis[v]=1;
        cnt++;
    }
    if (cnt<K[i])return 0;
}
return 1;
}
/*int K[100001];
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    srand(time(NULL));
    //freopen("test.INP","r",stdin);
	//freopen(".OUT","w",stdout);
    //init(4,{1,2,2,2},{2,3,3,4});
    cin>>n;
    for (int i=1;i<=n;i++)cin>>a[i]>>b[i];
    for (int i=1;i<=n;i++){
    for (int j=1;j<=n;j++){
        if (a[j]<=i&&b[j]>=i){
            use[i].push_back(j);
        }
    }
    sort(use[i].begin(),use[i].end(),cmp);
    }
    int q;
    cin>>q;
    for (int test=1;test<=q;test++){
        int M;
        cin>>M;
        for (int i=0;i<M;i++)cin>>K[i];
        for (int i=1;i<=n;i++)vis[i]=0;
        sort(K,K+M);
        int ans=1;
        for (int i=0;i<M;i++){
            int cnt=0;
            for (auto v:use[K[i]]){
            if (cnt==K[i])break;
            if (vis[v]==1)continue;
            vis[v]=1;
            cnt++;
        }
        if (cnt<K[i])ans=0;
        }
        cout<<ans<<'\n';
    }
    4
    2 4
    1 2
    2 3
    2 3
    2
    2 1 3
    2 1 1
}*/

• Subtask 1: 21 / 21
• Subtask 2: 0 / 13
• Subtask 3: 0 / 43
• Subtask 4: 0 / 23