oj.uz

Submission #537374

# Submission time Handle Problem Language Result Execution time Memory
537374 2022-03-15T03:59:38 Z kawaii Exhibition (JOI19_ho_t2) C++14
0 / 100
 0 ms 340 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long

int t, n, m, mod = 1e9 + 7; 
mt19937_64 rng;

struct point{
    int s, h;
};

bool operator < (point a, point b){
    return a.h < b.h;
}

point a[1000005];
int b[1000005];  

void solve(){  
    int num = 0, crr = 1;
    for(int i = 1; i <= n; i++){
        if(a[i].s <= b[crr]){
            crr++;
            if(crr == m + 1) break; 
        }
    }
    cout << crr - 1 <<" ";
}

signed main(){
    ios_base::sync_with_stdio(NULL); cin.tie(nullptr); cout.tie(nullptr);
    rng.seed((int)main ^ time(0));
    #ifdef Kawaii
        auto starttime = chrono::high_resolution_clock::now();
    #endif

    cin >> n >> m;
    for(int i = 1; i <= n; i++) cin >> a[i].s >> a[i].h; 
    for(int i = 1; i <= m; i++) cin >> b[i]; 
    sort(b + 1, b + m + 1);
    sort(a + 1, a + n + 1); 
    solve();

    #ifdef Kawaii
        auto endtime = chrono::high_resolution_clock::now();
        auto duration = chrono::duration_cast<chrono::milliseconds>(endtime - starttime).count(); 
        cout << "\n=====" << "\nUsed: " << duration << " ms\n";
    #endif
}

Compilation message

joi2019_ho_t2.cpp: In function 'void solve()':
joi2019_ho_t2.cpp:20:9: warning: unused variable 'num' [-Wunused-variable]
   20 |     int num = 0, crr = 1;
      |         ^~~

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Incorrect 0 ms 212 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #2
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Incorrect 0 ms 212 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Incorrect 0 ms 212 KB Output isn't correct
4 Halted 0 ms 0 KB -