Submission #7492696

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
template<class T = int> using V = vector<T>;
template<class T = int> using VV = V< V<T> >;
#define REP(i,n) for(int (i)=0;(i)<(n);(i)++)
#define TIMES(n) for(int _i_=0; _i_<(n);_i_++)
#define ALL(v) (v).begin(),(v).end()

int main() {
	int n, enogu[1000001]={};
	scanf("%d", &n);
	int a, b;
	REP(i, n) {
		scanf("%d %d", &a, &b);
		enogu[a]++;
		enogu[b+1]--;
	}
	int ans = 0;
	for(int i=1; i<=1000000; i++) {
		enogu[i] += enogu[i-1];
		if(enogu[i]>ans) ans = enogu[i];
	}
	cout << ans << endl;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:12:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
                 ^
./Main.cpp:15:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d", &a, &b);
                         ^

Judge Result