Submission #67817691

Source Code Expand

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
#include <stdio.h>
int main(void) {
  int N, L, R;
  int ans = 0, i;
  if (scanf("%d%d%d", &N, &L, &R) != 3) return 1;
  for (i = 0; i < N; i++) {
    int X, Y;
    if (scanf("%d%d", &X, &Y) != 2) return 1;
    ans += X <= L && R <= Y;
  }
  printf("%d\n", ans);
  return 0;
}
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

#include <stdio.h>

int main(void) {
	int N, L, R;
	int ans = 0, i;
	if (scanf("%d%d%d", &N, &L, &R) != 3) return 1;
	for (i = 0; i < N; i++) {
		int X, Y;
		if (scanf("%d%d", &X, &Y) != 2) return 1;
		ans += X <= L && R <= Y;
	}
	printf("%d\n", ans);
	return 0;
}

Submission Info

Judge Result