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Submission #587942

# Submission time Handle Problem Language Result Execution time Memory
587942 2022-07-02T14:36:19 Z Clan328 Distributing Candies (IOI21_candies) C++17
0 / 100
 186 ms 10956 KB 
#include "candies.h"

#include <bits/stdc++.h>

using namespace std;

typedef vector<int> vi;

struct segmentTree {
    vi t, a;

    segmentTree(int n) {
        t = vi(4*n);
    }

    void update(int v, int tl, int tr, int l, int r, int add) {
        if (l > r)
            return;
        if (l == tl && r == tr) {
            t[v] += add;
        } else {
            int tm = (tl + tr) / 2;
            update(v*2, tl, tm, l, min(r, tm), add);
            update(v*2+1, tm+1, tr, max(l, tm+1), r, add);
        }
    }

    int get(int v, int tl, int tr, int pos) {
        if (tl == tr)
            return t[v];
        int tm = (tl + tr) / 2;
        if (pos <= tm)
            return t[v] + get(v*2, tl, tm, pos);
        else
            return t[v] + get(v*2+1, tm+1, tr, pos);
    }
};

std::vector<int> distribute_candies(std::vector<int> c, std::vector<int> l,
                                    std::vector<int> r, std::vector<int> v) {
    int n = c.size();
    std::vector<int> s(n);

    segmentTree tree(n);

    for (int i = 0; i < l.size(); i++) {
        tree.update(1, 0, n-1, l[i], r[i], v[i]);
    }

    for (int i = 0; i < n; i++) {
        s[i] = min(c[i], tree.get(1, 0, n-1, i));
    }

    return s;
}

Compilation message

candies.cpp: In function 'std::vector<int> distribute_candies(std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
candies.cpp:46:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   46 |     for (int i = 0; i < l.size(); i++) {
      |                     ~~^~~~~~~~~~

Subtask #1
0 / 3.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 186 ms 10956 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 29.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 33.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -