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Submission #1068922

# Submission time Handle Problem Language Result Execution time Memory
1068922 2024-08-21T13:15:48 Z blackslex Wombats (IOI13_wombats) C++17
9 / 100
 38 ms 8284 KB 
#include "wombats.h"
#include<bits/stdc++.h>
#define lsb(x) (x &(-x))

using namespace std;

const int N = 5005;
int n, m, fwk[N];

void upd (int idx, int val) {
    for (idx++; idx < N; idx += lsb(idx)) fwk[idx] += val;
}

int qr (int idx) {
    int res = 0;
    for (idx++; idx; idx -= lsb(idx)) res += fwk[idx];
    return res;
}

void init(int R, int C, int H[5000][200], int V[5000][200]) {
    n = R; m = C;
    for (int i = 0; i < n - 1; i++) {
        for (int j = 0; j < m; j++) upd(i + 1, V[i][j]);
    }
}

void changeH(int P, int Q, int W) {
}

void changeV(int P, int Q, int W) {
    int cur = qr(P + 1) - qr(P);
    upd(P + 1, -cur); upd(P + 1, W);
}

int escape(int V1, int V2) {
    return qr(n - 1);
}

Compilation message

grader.c: In function 'int main()':
grader.c:15:6: warning: variable 'res' set but not used [-Wunused-but-set-variable]
   15 |  int res;
      |      ^~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4700 KB Output is correct
2 Correct 1 ms 4700 KB Output is correct
3 Correct 38 ms 7504 KB Output is correct
4 Correct 1 ms 4700 KB Output is correct
5 Correct 1 ms 4700 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Incorrect 1 ms 2396 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 2652 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 8284 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 2652 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 24.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 2652 KB Output isn't correct
2 Halted 0 ms 0 KB -