Submission #108612

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Source Code Expand

#include<stdio.h>
#include<stdlib.h>
#define MINUTE(x) ((x)-((x)/100)*100)
struct time{
  int s;
  int e;
};
int hosei(int x,int mode);
int comp(const void *p1,const void *p2);

int main(void){
  struct time *data;
  int n,i;
  int tmp;
  int start,end;
  scanf("%d",&n);
  data=(struct time *)calloc(n,sizeof(struct time));
  for(i=0;i<n;i++)
    scanf("%04d-%04d",&data[i].s,&data[i].e);
  //putchar('\n');
  
  for(i=0;i<n;i++){
    data[i].s=hosei(data[i].s,0);
    data[i].e=hosei(data[i].e,1);
  }

  qsort(data,n,sizeof(data),comp);

  /*for(i=0;i<n;i++)
    printf("%04d-%04d\n",data[i].s,data[i].e);
  
  putchar('\n');
  
  
  for(i=0;i<n;i++)
    printf("%04d-%04d\n",data[i].s,data[i].e);
  
  putchar('\n');
  */
  for(i=0;i<n;i++){
    if(!i){
      start=data[i].s;
      end=data[i].e;
    }else{
      if(data[i].s/100<end/100 || (data[i].s/100==end/100 && MINUTE(data[i].s)<=MINUTE(end))){
	if(data[i].e/100>end/100 || (data[i].e/100==end/100 && MINUTE(data[i].e)>=MINUTE(end)))	
	  end=data[i].e;
      }else{
	printf("%04d-%04d\n",start,end);
	start=data[i].s;
	end=data[i].e;
      }
    }
    if(i==n-1) printf("%04d-%04d\n",start,end);
  }
  free(data);
  return 0;
}

int hosei(int x,int mode){
  int tmp;
  tmp=MINUTE(x);
  tmp=(tmp/5)*5+mode*5;
  if(!(x%5) && mode) tmp-=5; 
  if(tmp>=60) tmp+=40;
  return (x/100)*100+tmp;
}

int comp(const void *p1,const void *p2){
  struct time *d1,*d2;
  d1=(struct time*)p1;
  d2=(struct time*)p2;
  
  if(d1->s==d2->s) return d1->e-d2->e;
  else return d1->s-d2->s;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:16:8: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
./Main.c:19:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]

Judge Result