Submission #1438903

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Source Code Expand

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

const int MAX = 1e6 + 10;
int arr[MAX];

int main() {
  int n;
  cin >> n;
  int a, b;
  for (int i = 0; i < n; i++) {
    scanf("%d %d", &a, &b);
    arr[a]++;
    arr[b+1]--;
  }

  // 累積和をとる
  for (int i = 1; i < MAX; i++) arr[i] += arr[i-1];

  // 最大値を探す
  int maxi = 0;
  for (int i = 0; i < MAX; i++) {
    maxi = max(maxi, arr[i]);
  }

  // 解答
  cout << maxi << endl;

  return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:13:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &a, &b);
                           ^

Judge Result