Submission #746482

#	Time	Username	Problem	Language	Result	Execution time	Memory
746482		nguyentunglam	Bubble Sort 2 (JOI18_bubblesort2)	C++17	0 / 100	9092 ms	596 KiB

bubblesort2

#include<bits/stdc++.h>
#define fi first
#define se second
#define endl "\n"
#define ii pair<int, int>
using namespace std;

vector<int> countScans(vector<int> a, vector<int> pos, vector<int> val) {
    vector<int> ans(pos.size());
    int n = a.size();

    for(int i = 0; i < pos.size(); i++) {
        a[pos[i]] = val[i];
        for(int j = 0; j < n; j++) {
            int tmp = 0;
            for(int k = 0; k < j; k++) if (a[j] < a[k]) tmp++;
            ans[i] = max(ans[i], tmp);
        }
    }

    return ans;
}

#ifdef ngu
int main() {

    freopen ("task.inp", "r", stdin);
    freopen ("task.out", "w", stdout);

    int n, q; cin >> n >> q;
    vector<int> a(n), x(q), v(q);
    for(int i = 0; i < n; i++) cin >> a[i];
    for(int i = 0; i < q; i++) cin >> x[i] >> v[i];
    vector<int> ret = countScans(a, x, v);
    for(int &j : ret) cout << j << endl;
}
#endif // ngu

Compilation message (stderr)

bubblesort2.cpp: In function 'std::vector<int> countScans(std::vector<int>, std::vector<int>, std::vector<int>)':
bubblesort2.cpp:12:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |     for(int i = 0; i < pos.size(); i++) {
      |                    ~~^~~~~~~~~~~~

• Subtask 1: 0 / 17
• Subtask 2: 0 / 21
• Subtask 3: 0 / 22
• Subtask 4: 0 / 40