uri 1793 solution in c
by ujjal roy
#include<stdio.h>
main()
{
int n,sum,i;
while(1)
{
sum=0;
scanf("%d",&n);
if(n==0) break;
int a[n];
for(i=0;i<n;i++)
{
scanf("%d",&a[i]);
}
if(n==1)
{
printf("10\n");
}
else
{
for(i=1;i<n;i++)
{
if(a[i]-a[i-1]<=10) sum+=a[i]-a[i-1];
else sum+=10;
}
printf("%d\n",sum+10);
}
}
return 0;
}
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