oj.uz

Submission #108739

# Submission time Handle Problem Language Result Execution time Memory
108739 2019-05-01T08:04:24 Z tictaccat Growing Vegetable is Fun 3 (JOI19_ho_t3) C++14
0 / 100
 3 ms 1536 KB 
#include <bits/stdc++.h>

using namespace std;

const int MAX = 1e5 + 10;

int N,M;
vector<pair<int,int>> pics(MAX);
vector<int> C(MAX);

bool check(int k) {
    int j = 0;
    for (int i = 0; i < k; i++) {
        while (j < N && pics[j].first > C[M-k+i]) j++;
        if (j == N) return false;
        j++;
    }
    return true;
}

int main() {

    cin >> N >> M;
    for (int i = 0; i < N; i++) cin >> pics[i].first >> pics[i].second;
    for (int i = 0; i < M; i++) cin >> C[i];

    sort(pics.begin(),pics.begin()+N,[](pair<int,int> p1, pair<int,int> p2) {return p1.second < p1.second;});
    sort(C.begin(),C.begin()+M);

    int k = 0; int high = N+1;

    for (int b = high/2; b > 0; b /= 2) {
        while (k + b < high && check(k+b)) k += b;
    }

    cout << k << "\n";

    return 0;
}

Compilation message

joi2019_ho_t3.cpp: In lambda function:
joi2019_ho_t3.cpp:27:95: warning: self-comparison always evaluates to false [-Wtautological-compare]
     sort(pics.begin(),pics.begin()+N,[](pair<int,int> p1, pair<int,int> p2) {return p1.second < p1.second;});
                                                                                     ~~~~~~~~~~^~~~~~~~~~~

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 1536 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 55.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 1536 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 1536 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 1536 KB Output isn't correct
2 Halted 0 ms 0 KB -