oj.uz

Submission #793713

# Submission time Handle Problem Language Result Execution time Memory
793713 2023-07-26T05:48:47 Z vjudge1 Passport (JOI23_passport) C++17
6 / 100
 24 ms 1836 KB 
#ifdef Home
#define _GLIBCXX_DEBUG
#endif // Home

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef long double ld;

const int N = 200200;

pair < int, int > pass[N];
int n, q, x;

void solve_subtask_1() {
    int ans = 1, pr_r = 1, cr_r = pass[1].second, nw_r = 1;
    for(; cr_r < n;) {
        nw_r = cr_r;
        for(int r = pr_r + 1; r <= cr_r; ++ r) {
            if(pass[r].second > nw_r) {
                nw_r = pass[r].second;
            }
        }
        if(nw_r == cr_r) {
            cout << "-1";
            return;
        }
        ++ ans;
        pr_r = cr_r;
        cr_r = nw_r;
    }
    cout << ans << '\n';
}

main() {
#ifdef Home
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
#endif // Home
    ios_base::sync_with_stdio(0);
    cin.tie(0);

    cin >> n;
    for(int i = 1; i <= n; ++ i) {
        cin >> pass[i].first >> pass[i].second;
    } 
    cin >> q >> x;
    if(q == 1 && x == 1) {
        solve_subtask_1();
        return 0;
    }
}

Compilation message

passport.cpp:37:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   37 | main() {
      | ^~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 24 ms 1780 KB Output is correct
5 Correct 23 ms 1812 KB Output is correct
6 Correct 24 ms 1836 KB Output is correct
7 Correct 19 ms 1748 KB Output is correct
8 Correct 16 ms 1476 KB Output is correct

Subtask #2
0 / 16.0

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

Subtask #3
0 / 24.0

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

Subtask #4
0 / 8.0

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

Subtask #5
0 / 46.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 24 ms 1780 KB Output is correct
5 Correct 23 ms 1812 KB Output is correct
6 Correct 24 ms 1836 KB Output is correct
7 Correct 19 ms 1748 KB Output is correct
8 Correct 16 ms 1476 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Incorrect 0 ms 212 KB Output isn't correct
11 Halted 0 ms 0 KB -