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Submission #993684

# Submission time Handle Problem Language Result Execution time Memory
993684 2024-06-06T10:07:06 Z codefox Pyramid Base (IOI08_pyramid_base) C++14
70 / 100
 5000 ms 104044 KB 
#include<bits/stdc++.h>

using namespace std;

#define pii pair<int,int>
#define arr array<int, 5>

#pragma GCC optimize("Ofast")

int N = 1<<20;

vector<int> bmin(2*N, 0);
vector<int> badd(2*N, 0);

void update(int curr, int l, int r, int a, int b, int add, int dd)
{
    if (r<=a || l>=b) 
    {
        bmin[curr] += add;
        badd[curr] += add;
        return;
    }
    if (a<=l && r<=b)
    {
        add+=dd;
        bmin[curr] += add;
        badd[curr] += add;
        return;
    }
    int m = (l+r)/2;
    add+=badd[curr];
    badd[curr] = 0;
    update(curr*2, l, m, a, b, add, dd);
    update(curr*2+1, m, r, a, b, add, dd);
    bmin[curr] = min(bmin[curr*2], bmin[curr*2+1]);
}

int finde(int pos)
{
    int curr = 1;
    int sol = 2*1e9+1;
    int add = 0;
    for (int i = 19; i >= 0; i--)
    {
        add += badd[curr];
        curr*=2;
        if (pos < (1<<i)) continue;
        pos -= 1<<i;
        sol = min(sol, bmin[curr]+add);
        curr++;
    }
    return sol;
}

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);

    //freopen("input.txt", "r", stdin);
    //freopen("output.txt", "w", stdout);

    int x, y;
    cin >> x >> y;
    int b, n;
    cin >> b >> n;

    vector<arr> ele(n);
    for (int i= 0; i < n; i++)
    {
        int x1, y1, x2, y2, c;
        cin >> x1 >> y1 >> x2 >> y2 >> c;
        x1--; y1--; x2--; y2--;
        ele[i] = {x1, y1, x2, y2, c};
    }

    int sum = 0;
    for (int i = 20; i >= 0; i--)
    {
        sum += 1<<i;
        vector<vector<arr>> begin(1e6);
        vector<vector<arr>> ende(1e6);
        bmin.assign(2*N, 0);
        badd.assign(2*N, 0);
        for (int j = 0; j < n; j++)
        {
            begin[max(0, ele[j][0]-sum+1)].push_back({max(0, ele[j][1]-sum+1), ele[j][3], ele[j][4]});
            ende[ele[j][2]].push_back({max(0, ele[j][1]-sum+1), ele[j][3], ele[j][4]});
        }
        int mn = 2*1e9+1;
        for (int j = 0; j < x-sum+1; j++)
        {
            for (arr ele2:begin[j]) update(1, 0, N, ele2[0], ele2[1]+1, 0, ele2[2]);
            mn = min(mn, finde(y-sum+1));
            for (arr ele2:ende[j]) update(1, 0, N, ele2[0], ele2[1]+1, 0, -ele2[2]);
        }
        if (mn > b) sum -= 1<<i;
    }
    cout << sum;

    return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 228 ms 63856 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 264 ms 63928 KB Output is correct

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 235 ms 64048 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 206 ms 63836 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 286 ms 64016 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 301 ms 64056 KB Output is correct
2 Correct 628 ms 64020 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 668 ms 64032 KB Output is correct
2 Correct 350 ms 63948 KB Output is correct

Subtask #8
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 444 ms 64512 KB Output is correct
2 Correct 333 ms 64516 KB Output is correct
3 Correct 293 ms 64464 KB Output is correct

Subtask #9
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 433 ms 65500 KB Output is correct
2 Correct 493 ms 65508 KB Output is correct
3 Correct 451 ms 65484 KB Output is correct

Subtask #10
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 788 ms 66148 KB Output is correct
2 Correct 994 ms 65792 KB Output is correct
3 Correct 290 ms 66024 KB Output is correct
4 Correct 1241 ms 65900 KB Output is correct

Subtask #11
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1041 ms 66512 KB Output is correct
2 Correct 1343 ms 66312 KB Output is correct
3 Correct 612 ms 66808 KB Output is correct

Subtask #12
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 836 ms 67516 KB Output is correct
2 Correct 1493 ms 66976 KB Output is correct
3 Correct 1517 ms 67064 KB Output is correct
4 Correct 1609 ms 67036 KB Output is correct
5 Correct 1482 ms 67092 KB Output is correct
6 Correct 546 ms 67280 KB Output is correct

Subtask #13
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 5030 ms 82808 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 5085 ms 92380 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 5046 ms 104044 KB Time limit exceeded
2 Halted 0 ms 0 KB -