Submission #205827

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Source Code Expand

#include <cstdio>
#include <vector>
#include <algorithm>
#include <utility>

using namespace std;

typedef pair<int, int> P;

int round_s(int s)
{
  int tmp_s = s%10;  
  if(tmp_s == 0 || tmp_s == 5){
    return s;
  } else if(tmp_s < 5){
    return s - tmp_s;
  }

  return s - (s+5)%10;
}

int round_t(int t)
{
  int tmp_t = t%10;
  if(tmp_t == 0 || tmp_t == 5){
    return t;
  }

  int res_t = (tmp_t < 5)? t + (5-tmp_t): t + (10-tmp_t);
  if(res_t%100 == 60){
    res_t += 40;
  }

  return res_t;
}

void solve(vector<P> rain_times)
{
  sort(rain_times.begin(), rain_times.end());

  int i = 0, j;
  int start, end;
  while(i < rain_times.size()){
    start = rain_times[i].first;
    end = rain_times[i].second;

    j = i+1;
    while(j < rain_times.size()){
      if(end < rain_times[j].first){
	break;
      }

      end = max(end, rain_times[j++].second);
    }

    printf("%04d-%04d\n", start, end);
    i = j;
  }
}

int main()
{
  int N;
  scanf("%d", &N);

  vector<P> rain_times = vector<P>(N);
  int s, t, tmp_s, tmp_t;
  for(int i = 0; i < N; i++){
    scanf("%d-%d", &s, &t);
    rain_times[i] = P(round_s(s), round_t(t));
  }

  solve(rain_times);

  return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:64:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
./Main.cpp:69:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]

Judge Result