Mai intai trebuie sa te autentifici.
Cod sursa(job #165800)
Utilizator | Data | 26 martie 2008 21:20:45 | |
---|---|---|---|
Problema | Bilute | Scor | 90 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.58 kb |
#include<stdio.h>
struct bbb { int a,b;};
bbb v[30005];
int p,T,x[30005],y[30005],ti,min,i,n;
int main(){
FILE *f=fopen("bilute.in","r");
fscanf(f,"%d",&n);
for(i=1;i<=n;i++){
fscanf(f,"%d %d",&v[i].a,&v[i].b);
T+=v[i].b*v[i].a;
x[i]=x[i-1]+v[i].a*i;
y[i]=y[i-1]+v[i].a;
}
fclose(f);
min=2000000000;
for(i=1;i<=n;i++){
ti=T-(v[i].a*v[i].b)+ x[n]-x[i] -i*(y[n]-y[i]) + i*(y[i-1]) - (x[i-1]) ;
if(ti<min){
min=ti;
p=i;
}
}
FILE *g=fopen("bilute.out","w");
fprintf(g,"%d %d",p,min);
fclose(g);
return 0;
}