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Cod sursa(job #439415)
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
typedef struct{
long int h; //inaltimea crengii pe care se afla gutuia
long int g; //greutatea gutuii
} gutuie;
int compara(void* a,void* b)
{
long int val_a,val_b,vala,valb;
val_a=(*((gutuie *)a)).h;
val_b=(*((gutuie *)b)).h;
vala=(*((gutuie *)a)).g;
valb=(*((gutuie *)b)).g;
if(vala<valb)
return 1;
else
if(vala>valb)
return -1;
else
{
if(val_a<val_b)
return 1;
else
if(val_a>val_b)
return -1;
else
return 0;
}
}
int main()
{
//deschidere fisier de intrare, respectiv fisier de iesire
FILE *in,*out;
in=fopen("gutui.in","r");
out=fopen("gutui.out","w");
//citim numarul de gutui, inaltimea maxima si cu cat se ridica crengile
long int N,H,U;
fscanf(in,"%ld%ld%ld",&N,&H,&U);
long int *ridicari,*nivele;
gutuie *date;
date=(gutuie*) calloc(N,sizeof(gutuie));
int i,m=0;
long int nr_max_gutui;
ridicari = (long int *) calloc(N,sizeof (long int));
nivele = (long int *) calloc(N+1,sizeof (long int));
//citim datele despre fiecare creanga
for(i=0;i<N;i++)
fscanf(in,"%ld%ld",&date[i].h,&date[i].g);
qsort(date,N,sizeof(gutuie),(__compar_fn_t)&compara);
for(i=1;i<=N;i++)
nivele[i]=0;
// for(i=0;i<N;i++)
// printf("%u %u\n",date[i].h,date[i].g);
long int minim=date[0].h;
for(i=1;i<N;i++)
if(date[i].h<minim)
minim=date[i].h;
//printf("%u\n",minim);
nr_max_gutui=(H-minim)/U + 1; //cate gutui ar putea fi maxim culese a.i. sa se respecte conditiile
// printf ("%d \n", nr_max_gutui);
int culese=0;
long int suma=0;
for(i=0;i<N;i++)
{
m=(H-date[i].h)/U+1;
if (m>0)
if (culese<nr_max_gutui)
if(nivele[m]<m) //poate fi culeasa in conditiile date
{
suma+=date[i].g;
culese++;
nivele[m]++;
}}
for(i=1;i<=n;i++)
printf("%d ", nivele[i]);
fprintf(out,"%ld",suma);
free(date);
fclose(in);
fclose(out);
return 0;
}