oj.uz

Submission #1115523

# Submission time Handle Problem Language Result Execution time Memory
1115523 2024-11-20T14:53:08 Z duytuandao21 Cipele (COCI18_cipele) C++17
45 / 90
 1000 ms 2924 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long

const int N = 2e5 + 7;
const int infll = 1e18 + 7;
typedef pair<int, int> pii;

int n, m;
vector<int> a;
vector<int> b;

bool check(int k) {
    // int j = 0;
    // int cnt = 0;
    // for (auto &x : a) {
    //     while (j < b.size() && abs(b[j] - x) > k) ++j;
    //     if (j < b.size() && abs(b[j] - x) <= k) {
    //         // cout << j << ' ' ;
    //         ++cnt;
    //         ++j;
    //     }
    // }
    // if (cnt == a.size()) return true;
    vector<int> mark((int)b.size() + 1, 0);
    int cnt = 0;
    for (auto &x : a) {
        for (int j = 0; j < b.size(); j++) {
            if (mark[j] == 0 && abs(b[j] - x) <= k) {
                ++cnt;
                mark[j] = 1;
                break;
            }
        }
    }
    if (cnt == a.size()) return true;
    return false;
}
signed main()
{
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    cin >> n >> m;
    for (int i = 1; i <= n; i++) {
        int x; cin >> x;
        a.push_back(x);
    }
    for (int i = 1; i <= m; i++) {
        int x; cin >> x;
        b.push_back(x);
    }
    if (a.size() > b.size()) swap(a, b);
    sort(a.begin(), a.end());
    sort(b.begin(), b.end());
    int l = 0, r = 1e9 + 7;
    int res = -1;
    while (l <= r) {
        int mid = (l + r) / 2;
        if (check(mid)) {
            res = mid;
            r = mid - 1;
        } else l = mid + 1;
    }
    cout << res;
}

Compilation message

cipele.cpp: In function 'bool check(long long int)':
cipele.cpp:28:27: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |         for (int j = 0; j < b.size(); j++) {
      |                         ~~^~~~~~~~~~
cipele.cpp:36:13: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   36 |     if (cnt == a.size()) return true;
      |         ~~~~^~~~~~~~~~~

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1067 ms 2896 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #2
0 / 9.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1063 ms 2924 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 75 ms 336 KB Output is correct
2 Correct 276 ms 760 KB Output is correct

Subtask #4
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 336 KB Output is correct
2 Correct 284 ms 760 KB Output is correct

Subtask #5
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 173 ms 592 KB Output is correct
2 Correct 272 ms 592 KB Output is correct

Subtask #6
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 179 ms 592 KB Output is correct
2 Correct 298 ms 592 KB Output is correct

Subtask #7
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 230 ms 760 KB Output is correct
2 Correct 282 ms 696 KB Output is correct

Subtask #8
0 / 9.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1062 ms 2508 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #9
0 / 9.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1032 ms 2632 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #10
0 / 9.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1066 ms 2508 KB Time limit exceeded
2 Halted 0 ms 0 KB -