Submission #7181310

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Source Code Expand

#include <iostream>
#include <iomanip>
#include <map>
#include <math.h>
using namespace std;
#define DAY_M 24*60

int main(){
  int N; cin >> N;
  map<int, int> rain;

  while(N--){
    int s, e; scanf("%d-%d", &s, &e);
    s = s/100*60 + s%100; e = e/100*60 + e%100;
    s -= s%5; e += (5-e%5)%5;
    rain[s]++; rain[e]--;
  }

  int count = 0, rain_s = 0;
  for(auto e: rain){
    if(count == 0 && e.second > 0){
      rain_s = e.first;
    }
    if(count > 0 && count + e.second == 0){
      cout << setfill('0') << setw(2) << rain_s/60;
      cout << setfill('0') << setw(2) << rain_s%60;
      cout << "-";
      cout << setfill('0') << setw(2) << e.first/60;
      cout << setfill('0') << setw(2) << e.first%60 << endl;
    }
    count += e.second;
  }
  return 0;

}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:13:37: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     int s, e; scanf("%d-%d", &s, &e);
                                     ^

Judge Result