Cod sursa(job #125042)
Utilizator | parcalabescu maria daniela maria_p | Data | 20 ianuarie 2008 11:06:34 |
---|---|---|---|
Problema | Inundatii | Scor | 0 |
Compilator | cpp | Status | done |
Runda | preONI 2008, Runda 3, Clasa a 10-a | Marime | 0.46 kb |
#include<cstdio>
#include<cstdlib>
long a[4][50000],n,i,rez,media,k;
int main(){
freopen("inundatii.in","r",stdin);
freopen("inundatii.out","w",stdout);
scanf("%ld",&n);
for(i=0;i<n;i++)
scanf("%ld%ld%ld",&a[1][i],&a[2][i],&a[3][i]);
rez=0;
for(k=1;k<=3;k++){
media=0;
for(i=0;i<n;i++)
media+=a[k][i];
media/=n;
for(i=0;i<n;i++)
rez+=abs(a[k][i]-(media+i));
}
printf("%ld\n",rez);
fclose(stdin);
fclose(stdout);
return 0;
}