Submission #255280

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Source Code Expand

#include <iostream>

#define MAX_N 1000000

using namespace std;

int main(){
  int n;
  cin >> n;

  int a[n],b[n];
  for(int i=0; i<n; i++)
    cin >> a[i] >> b[i];

  //いもす法
  int table[MAX_N];
  for(int i=0; i<MAX_N; i++) table[i] = 0;

  for(int i=0; i<MAX_N; i++){
    table[a[i]]++;
    table[b[i]]--;
  }

  for(int i=1; i<MAX_N; i++) table[i] += table[i-1];

  int max = 0;
  for(int i = 0; i<MAX_N; i++){
    if(max < table[i])
      max = table[i];
  }

  cout << max << "\n";

  return 0;
}

Submission Info

Judge Result