oj.uz

답안 #199964

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
199964 2020-02-04T14:40:24 Z mdn2002 San (COCI17_san) C++14
48 / 120
 91 ms 65540 KB 
#include<bits/stdc++.h>
using namespace std;
const int mod=1e9+7;
long long n,k,a[44],b[44],nm,tree[2500006],ans;
vector<pair<int,long long> >on,to;
vector<long long>vt,tk;
map<long long,int>mp;
void up(int nod,int l,int r,int x)
{
    if(x<l||r<x)return;
    if(l==r)
    {
        tree[nod]++;
        return;
    }
    int mid=(l+r)/2;
    up(nod*2,l,mid,x);
    up(nod*2+1,mid+1,r,x);
    tree[nod]=tree[nod*2]+tree[nod*2+1];
}
int qr(int nod,int l,int r,int x,int y)
{
    if(x<=l&&r<=y)return tree[nod];
    if(y<l||r<x)return 0;
    int mid=(l+r)/2;
    return qr(nod*2,l,mid,x,y)+qr(nod*2+1,mid+1,r,x,y);
}
void bt(int x,int mx,long long sum)
{
    if(sum>=k)ans++;
    if(sum>0)
    {
        if(mx==n/2)on.push_back({a[x],sum});
        else
        {
            to.push_back({a[x],sum});
            tk.push_back(sum);
        }
        vt.push_back(sum);
    }
    if(x==mx+1)return;
    for(int i=x+1;i<=mx;i++)
    {
        if(a[x]<=a[i])bt(i,mx,sum+b[i]);
    }
}
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    //freopen("gpsduel.in","r",stdin);
    //freopen("gpsduel.out","w",stdout);
    cin>>n>>k;
    for(int i=1;i<=n;i++)cin>>a[i]>>b[i];
    for(int i=1;i<=n;i++)bt(i,n,b[i]);
    cout<<ans;
}

Subtask #1
24.0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 504 KB Output is correct

Subtask #2
24.0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Correct 21 ms 14040 KB Output is correct
2 Correct 5 ms 760 KB Output is correct

Subtask #3
0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 91 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #4
0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 85 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #5
0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 86 ms 65540 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -