Submission #1768897

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Source Code Expand

#include<cstdio>
#include<algorithm>

using namespace std;

int c[1000010];

int main(){
	int n;
	scanf("%d", &n);
	for(int i = 0; i < n; i++){
		int a, b; scanf("%d %d", &a, &b);
		c[a]++; c[b + 1]--;
	}
	for(int i = 0; i <= 1000000; i++) c[i + 1] += c[i];
	int res = 0;
	for(int i = 0; i <= 1000000; i++) res = max(res, c[i]);
	printf("%d\n", res);
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:10:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
                 ^
./Main.cpp:12:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   int a, b; scanf("%d %d", &a, &b);
                                   ^

Judge Result