Submission #165260

#	Time	Username	Problem	Language	Result	Execution time	Memory
165260		Akashi	Exhibition (JOI19_ho_t2)	C++14	100 / 100	78 ms	4476 KiB

joi2019_ho_t2

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

int n, m;

pair <int, int> P[100005];
int F[100005];

int main()
{
    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", &F[i]);

    sort(P + 1, P + n + 1, greater <pair <int, int> >());
    sort(F + 1, F + m + 1, greater <int>());

    int j = 1;
    for(int i = 1; i <= n && j <= m ; ++i) if(P[i].second <= F[j]) ++j;


    printf("%d", j - 1);

    return 0;
}

Compilation message (stderr)

joi2019_ho_t2.cpp: In function 'int main()':
joi2019_ho_t2.cpp:11:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d", &n, &m);
     ~~~~~^~~~~~~~~~~~~~~~
joi2019_ho_t2.cpp:12:39: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(int i = 1; i <= n ; ++i) scanf("%d%d", &P[i].second, &P[i].first);
                                  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
joi2019_ho_t2.cpp:13:39: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(int i = 1; i <= m ; ++i) scanf("%d", &F[i]);
                                  ~~~~~^~~~~~~~~~~~~

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