Submission #141351

#	Time	Username	Problem	Language	Result	Execution time	Memory
141351		44442	Rasvjeta (COCI17_rasvjeta)	C++11	20 / 50	2 ms	380 KiB

rasjveta

#include <bits/stdc++.h>
using namespace std;
int n,m,k,a[1004],ok,b,c;
int main (){
ios::sync_with_stdio(0);
     scanf("%d\n%d\n%d",&n,&m,&k);
     for(int i=0;i<m;i++)
         scanf("\n%d",&a[i]);
     for(int i=1;i<m;i++){
     	 if(a[i]-a[i-1]>2*k+1)
		     ok=ok+(a[i]-a[i-1])/(2*k+1);
	 }
	 if(n-a[m-1]>k){
	 	 b=a[m-1]+2*k+1;
	 	 if(!a[m-1]) 
	 	     b=k+1;
	 	 while(b<n+2*k+1){
	         ok++;
			 b=b+2*k+1;
         }
	 }
	 if(a[0]>k+1){
	 	 c=a[0]-2*k-1;
	 	 while(c>-2*k){
	         ok++;
	         c=c-2*k-1;
	     }
	 }
	 printf("%d",ok);
return 0;
}

Compilation message (stderr)

rasjveta.cpp: In function 'int main()':
rasjveta.cpp:6:11: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
      scanf("%d\n%d\n%d",&n,&m,&k);
      ~~~~~^~~~~~~~~~~~~~~~~~~~~~~
rasjveta.cpp:8:15: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
          scanf("\n%d",&a[i]);
          ~~~~~^~~~~~~~~~~~~~

• Subtask 1: 20 / 50