Submission #108238

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Source Code Expand

#include <cstdio>
#include <map>
#include <algorithm>

using namespace std;

int res[111111] = {};
int main(void)
{
  int n,s,e;
  pair<int,int> a[33333];
  scanf("%d",&n);
  for( int i = 0; i < n; i++ ) {
    scanf("%d-%d",&s,&e);
    s = s/100*60*60+s%100*60;
    s -= s%300;
    e = e/100*60*60+e%100*60;
    e += 299;
    e -= e%300;
    //printf("%d %d\n",s,e);
    //printf("%d:%d %d:%d\n",s/3600,s%3600/60,e/3600,e%3600/60);
    a[i] = make_pair(s,e);
  }
  for( int i = 0; i < n; i++ ) {
    /*
    for( int j = a[i].first; j <= a[i].second; j++ ) {
      res[j] = 1;
    }
    */
    res[a[i].first] += 1;
    res[a[i].second+1] += -1;
  }
  for( int i = 0; i <= 86400; i++ ) {
    res[i+1] += res[i];
  }
  for( int i = 0; i <= 86400; i++ ) {
    if( res[i] ) {
      int t = i;
      while( res[i] ) i++;
      printf("%02d%02d-%02d%02d\n",t/3600,t%3600/60,(i-1)/3600,(i-1)%3600/60);
    }
  }
  return 0;
}

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]
./Main.cpp:14:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]

Judge Result