Submission #199916

---

Source Code Expand

#include<iostream>
#include<cstdio>
#include<vector>

#define rep(i,n) for(int i = 0; i < n; ++i)
#define rec(i,m,n) for(int i = m; i < n; ++i)

using namespace std;

int main(){

  int N;

  cin >> N;

  vector<int> S(N+1);
  vector<int> E(N+1);

  S[N] = -1;
  E[N] = -1;

  rep(i,N){

    scanf("%d-%d",&S[i],&E[i]);

    if(S[i]%10 < 5)
      S[i] -= S[i]%10;

    else if(S[i]%10 > 5)
      S[i] -= (S[i]%10 - 5);

    if(E[i]%10 < 5 && E[i]%10 != 0)
      E[i] += (5 - E[i]%10);

    else if(E[i]%10 > 5)
      E[i] += (10 - E[i]%10);

    if(E[i]%100 == 60)
      E[i] += 40;

  }

  rep(i,N){

    rep(j,N){

      if(S[i] < S[j]){

        int s,e;
        s = S[i];
        S[i] = S[j];
        S[j] = s;

        e = E[i];
        E[i] = E[j];
        E[j] = e;

      }

    }

  }

  if(0){
  rep(i,N){
    printf("%04d-%04d\n",S[i],E[i]);
  }
  }
  if(N == 1){

    printf("%04d-%04d\n",S[0],E[0]);

  }
  else{

  int SS = S[0];
  int EE = E[0];
  bool flag = false;

  rep(i,N+1){

    if(EE < S[i]){

      printf("%04d-%04d\n",SS,EE);
      SS = S[i];
      EE = E[i];

      flag = true;

    }
    else if((SS <= S[i] && S[i] <= EE) && EE < E[i])
      EE = E[i];
    else if(S[i] == -1 && flag){

      printf("%04d-%04d\n",SS,EE);

    }

  }

  if(!flag)
    printf("%04d-%04d\n",SS,EE);
  }

}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:24:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]

Judge Result