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Submission #588109

# Submission time Handle Problem Language Result Execution time Memory
588109 2022-07-02T17:33:36 Z Bench0310 Pyramid Base (IOI08_pyramid_base) C++17
70 / 100
 5000 ms 164708 KB 
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

const int N=1000005;
vector<ll> tree(4*N,0);
vector<ll> lazy(4*N,0);

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,ll x)
{
    if(ql>qr) return;
    if(l==ql&&r==qr) apply(idx,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<ll,3>> v[m+2];
    const ll inf=(1ll<<32);
    while(l<r-1)
    {
        int len=(l+r)/2;
        bool ok=0;
        auto add=[&](int x1,int y1,int x2,int y2,ll 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),x2,y2,c);
        if(len>1)
        {
            add(1,n-len+2,m,n,inf);
            add(m-len+2,1,m,n,inf);
        }
        for(int x=1;x<=m+1;x++)
        {
            for(auto [y1,y2,c]:v[x]) update(1,1,n,y1,y2,c);
            if(x<=m) 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

# Verdict Execution time Memory Grader output
1 Correct 22 ms 62932 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 62924 KB Output is correct

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 62960 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 63316 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 65612 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 113 ms 86936 KB Output is correct
2 Correct 142 ms 87020 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 121 ms 87020 KB Output is correct
2 Correct 101 ms 86560 KB Output is correct

Subtask #8
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 55 ms 63852 KB Output is correct
2 Correct 76 ms 64140 KB Output is correct
3 Correct 73 ms 64236 KB Output is correct

Subtask #9
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 281 ms 68852 KB Output is correct
2 Correct 344 ms 69724 KB Output is correct
3 Correct 287 ms 69736 KB Output is correct

Subtask #10
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 813 ms 92488 KB Output is correct
2 Correct 131 ms 91852 KB Output is correct
3 Correct 306 ms 65460 KB Output is correct
4 Correct 922 ms 96376 KB Output is correct

Subtask #11
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1026 ms 95480 KB Output is correct
2 Correct 963 ms 98780 KB Output is correct
3 Correct 723 ms 90404 KB Output is correct

Subtask #12
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1014 ms 93884 KB Output is correct
2 Correct 1291 ms 101056 KB Output is correct
3 Correct 1285 ms 100864 KB Output is correct
4 Correct 1269 ms 101192 KB Output is correct
5 Correct 1294 ms 101096 KB Output is correct
6 Correct 972 ms 90036 KB Output is correct

Subtask #13
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 5026 ms 138840 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #14
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 5044 ms 152696 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #15
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 5055 ms 164708 KB Time limit exceeded
2 Halted 0 ms 0 KB -