oj.uz

Submission #1019161

# Submission time Handle Problem Language Result Execution time Memory
1019161 2024-07-10T14:23:58 Z ttamx Pyramid Base (IOI08_pyramid_base) C++17
0 / 100
 1666 ms 84964 KB 
#include<bits/stdc++.h>

using namespace std;

const int N=1e6+5;
const int K=1<<21;
const int INF=INT_MAX/2;

int n,m,b,p;
vector<tuple<int,int,int>> add[N],del[N];

struct SegTree{
    int n,log;
    int t[K],lz[K];
    void init(int _n){
        for(log=0;(1<<log)<_n;log++);
        n=1<<log;
    }
    void apply(int i,int v){
        t[i]+=v,lz[i]+=v;
    }
    void push(int i){
        apply(i<<1,lz[i]);
        apply(i<<1|1,lz[i]);
        lz[i]=0;
    }
    void pull(int i){
        t[i]=min(t[i<<1],t[i<<1|1]);
    }
    void build(){
        for(int i=1;i<2*n;i++)t[i]=lz[i]=0;
    }
    void update(int l,int r,int v){
        if(l>r)return;
        l+=n-1,r+=n;
        for(int i=log;i>=1;i--){
            if(((l>>i)<<i)!=l)push(l>>i);
            if(((r>>i)<<i)!=r)push((r-1)>>i);
        }
        for(int l2=l,r2=r;l2<r2;l2>>=1,r2>>=1){
            if(l2&1)apply(l2++,v);
            if(r2&1)apply(--r2,v);
        }
        for(int i=1;i<=log;i++){
            if(((l>>i)<<i)!=l)pull(l>>i);
            if(((r>>i)<<i)!=r)pull((r-1)>>i);
        }
    }
}seg;

bool check(int k){
    seg.build();
    seg.update(1,k-1,INF);
    for(int i=1;i<k;i++)for(auto [l,r,v]:add[i])seg.update(max(l,k),r+k-1,v);
    for(int i=k;i<=m;i++){
        for(auto [l,r,v]:add[i])seg.update(max(l,k),r+k-1,v);
        for(auto [l,r,v]:del[i-k])seg.update(max(l,k),r+k-1,-v);
        if(seg.t[1]<=b)return true;
    }
    return false;
}

int main(){
    cin.tie(nullptr)->sync_with_stdio(false);
    cin >> m >> n >> b >> p;
    for(int i=0;i<p;i++){
        int x1,y1,x2,y2,c;
        cin >> x1 >> y1 >> x2 >> y2 >> c;
        add[x1].emplace_back(y1,y2,c);
        del[x2].emplace_back(y1,y2,c);
    }
    int l=0,r=min(n,m);
    while(l<r){
        int m=(l+r+1)/2;
        if(check(m))l=m;
        else r=m-1;
    }
    cout << l;
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 8 ms 51288 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 8 ms 51292 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 8 ms 51292 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 10 ms 51292 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 12 ms 55644 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 29 ms 63064 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 35 ms 63832 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 15 ms 51548 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 38 ms 56412 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 102 ms 64856 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #11
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 119 ms 65368 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #12
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 162 ms 65668 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #13
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 792 ms 75088 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #14
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1218 ms 80212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #15
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1666 ms 84964 KB Output isn't correct
2 Halted 0 ms 0 KB -