Submission #97282

#	Time	Username	Problem	Language	Result	Execution time	Memory
97282		model_code	Exhibition (JOI19_ho_t2)	C++17	100 / 100	112 ms	1692 KiB

joi2019_ho_t2

#include <cstdio>
#include <algorithm>
using namespace std;

int main() {
	int N, M, S, V;
	scanf("%d%d", &N, &M);
	int C[M];
	pair<int, int> paints[N];  //first V, second S
	for(int i = 0; i < N; i++) {
		scanf("%d%d", &S, &V);
		paints[i] = make_pair(V, S);
	}
	for(int i = 0; i < M; i++) {
		scanf("%d", C + i);
	}
	sort(paints, paints + N);
	sort(C, C + M);
	int ans = 0;
	for(int i = N - 1; i >= 0 && ans < M; i--) {
		if(C[M - ans - 1] >= paints[i].second) {
			ans++;
		}
	}
	printf("%d\n", ans);
	return 0;
}

Compilation message (stderr)

joi2019_ho_t3.cpp: In function 'int main()':
joi2019_ho_t3.cpp:7:7: 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:11:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d", &S, &V);
   ~~~~~^~~~~~~~~~~~~~~~
joi2019_ho_t3.cpp:15:8: 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