Submission #97297

#	Time	Username	Problem	Language	Result	Execution time	Memory
97297		RezwanArefin01	Exhibition (JOI19_ho_t2)	C++17	100 / 100	104 ms	1656 KiB

joi2019_ho_t2

#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<int, int> ii; 

const int N = 1e5 + 10; 

int n, m, c[N]; 
ii p[N]; 

int main(int argc, char const *argv[]) {
    scanf("%d %d", &n, &m);
    for(int i = 1; i <= n; ++i) 
        scanf("%d %d", &p[i].second, &p[i].first); 
    for(int i = 1; i <= m; ++i)
        scanf("%d", &c[i]); 

    sort(p + 1, p + n + 1); 
    sort(c + 1, c + m + 1); 

    int ans = 0; 
    for(int i = n, j = m; i >= 1 && j >= 1; --i) 
        if(p[i].second <= c[j]) ++ans, --j;
    printf("%d\n", ans); 
}

Compilation message (stderr)

joi2019_ho_t3.cpp: In function 'int main(int, const char**)':
joi2019_ho_t3.cpp:13:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &n, &m);
     ~~~~~^~~~~~~~~~~~~~~~~
joi2019_ho_t3.cpp:15:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d", &p[i].second, &p[i].first); 
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
joi2019_ho_t3.cpp:17:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &c[i]); 
         ~~~~~^~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 40 / 40
• Subtask 3: 50 / 50