Cod sursa(job #983829)

Utilizator mihaipopa12Popa Mihai mihaipopa12 Data 12 august 2013 20:01:10
Problema Progresii Scor 40
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.85 kb
#include<stdio.h>

#define maxdim 100005

FILE*f=fopen("progresii.in","r");
FILE*g=fopen("progresii.out","w");

int n,m;
int p[maxdim];
long long k,l;
long long needed[maxdim];

int main () {
	
	fscanf(f,"%d %d %lld %lld",&n,&m,&k,&l);
	for ( int i = 1 ; i <= n ; ++i ){
		fscanf(f,"%d",&p[i]);
	}
	
	for ( int i = n ; i >= 1 ; --i ){
		needed[i] = needed[i+1] + (l-p[i])/m + 1;
	}
	
	if ( needed[1] > k ){
		fprintf(g,"-1\n");
		fclose(f); fclose(g);
		return 0;
	}
	
	for ( int i = 1 ; i <= n ; ++i ){
		
		int left = 1,middle,right = m;
		while ( left <= right ){
			middle = (1LL*left+right)>>1;
			
			if ( (l-p[i])/middle+1+needed[i+1] <= k ){
				right = middle-1;
			}
			else{
				left = middle+1;
			}
		}
		fprintf(g,"%d\n",left);
		
		k -= ((l-p[i])/left + 1);
	}
	
	fclose(f);
	fclose(g);
	
	return 0;
}