oj.uz

답안 #588201

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
588201 2022-07-02T18:56:17 Z Bench0310 Pyramid Base (IOI08_pyramid_base) C++17
70 / 100
 5000 ms 106184 KB 
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

const int N=1000005;
ll tree[4*N];
ll lazy[4*N];

void pull(int idx){tree[idx]=min(tree[2*idx],tree[2*idx+1]);}
void apply(int idx,ll x){tree[idx]+=x; lazy[idx]+=x;}
void push(int idx){for(int i=0;i<2;i++)apply(2*idx+i,lazy[idx]); lazy[idx]=0;}

void update(int idx,int l,int r,int ql,int qr,int x)
{
    if(ql>qr) return;
    if(l==ql&&r==qr) apply(idx,ll(x));
    else
    {
        int m=(l+r)/2;
        push(idx);
        update(2*idx,l,m,ql,min(qr,m),x);
        update(2*idx+1,m+1,r,max(ql,m+1),qr,x);
        pull(idx);
    }
}

int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    int n,m;
    cin >> m >> n;
    int b,p;
    cin >> b >> p;
    vector<array<int,5>> obstacles(p);
    for(auto &[x1,y1,x2,y2,c]:obstacles) cin >> x1 >> y1 >> x2 >> y2 >> c;
    int l=0,r=min(n,m)+1;
    vector<array<int,3>> v[m+2];
    while(l<r-1)
    {
        int len=(l+r)/2;
        bool ok=0;
        int limm=m-len+1;
        int limn=n-len+1;
        auto add=[&](int x1,int y1,int x2,int y2,int c)
        {
            v[x1].push_back({y1,y2,c});
            v[x2+1].push_back({y1,y2,-c});
        };
        for(auto [x1,y1,x2,y2,c]:obstacles) add(max(1,x1-len+1),max(1,y1-len+1),min(x2,limm),min(y2,limn),c);
        for(int x=1;x<=limm+1;x++)
        {
            for(auto [y1,y2,c]:v[x]) update(1,1,limn,y1,y2,c);
            if(x<=limm) ok|=(tree[1]<=b);
            v[x].clear();
        }
        if(ok) l=len;
        else r=len;
    }
    cout << l << "\n";
    return 0;
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct

Subtask #2
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct

Subtask #3
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 340 KB Output is correct

Subtask #4
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 8 ms 1236 KB Output is correct

Subtask #5
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 20 ms 7188 KB Output is correct

Subtask #6
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 36 ms 34388 KB Output is correct
2 Correct 120 ms 56708 KB Output is correct

Subtask #7
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 148 ms 56772 KB Output is correct
2 Correct 50 ms 38088 KB Output is correct

Subtask #8
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 10 ms 2004 KB Output is correct
2 Correct 51 ms 1768 KB Output is correct
3 Correct 40 ms 1908 KB Output is correct

Subtask #9
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 178 ms 10392 KB Output is correct
2 Correct 279 ms 10152 KB Output is correct
3 Correct 225 ms 10556 KB Output is correct

Subtask #10
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 329 ms 48016 KB Output is correct
2 Correct 106 ms 28656 KB Output is correct
3 Correct 245 ms 35872 KB Output is correct
4 Correct 760 ms 66636 KB Output is correct

Subtask #11
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 583 ms 67112 KB Output is correct
2 Correct 938 ms 68596 KB Output is correct
3 Correct 165 ms 48096 KB Output is correct

Subtask #12
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 403 ms 50924 KB Output is correct
2 Correct 1236 ms 70916 KB Output is correct
3 Correct 1175 ms 70604 KB Output is correct
4 Correct 1144 ms 71044 KB Output is correct
5 Correct 1143 ms 71120 KB Output is correct
6 Correct 105 ms 48888 KB Output is correct

Subtask #13
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 5044 ms 95800 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #14
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 5039 ms 101272 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #15
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 5033 ms 106184 KB Time limit exceeded
2 Halted 0 ms 0 KB -