OJ-Problems-Source/HDOJ/4567_autoAC.cpp

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#include<iostream>
#include<cstdio>
#include<cmath>
#include<cstring>
#include<algorithm>
#include<string>
using namespace std;
__int64 l[1000005],v[1000005],r;
int main()
{
__int64 n,i,j,k,b;
int t=0;
while(~scanf("%I64d",&n))
{
t++;
if(t>=40) continue;
memset(l,0,sizeof l);
for(i=1;i<=n;i++)
{
scanf("%I64d",&v[i]);
l[i]=l[i-1]+v[i]+1;
if(l[i-1]<=v[i]) k=i;
}
for(i=k+1,r=0,b=0;i<=n;i++)
{
b+=(v[i]<=b);
r+=max(0ll,v[i]-b);
}
if((r+l[k-1])==v[k]) printf("%I64d\n",k);
else if((r+l[k-1])>v[k]) printf("Unknown\n");
else printf("Bad Rescue\n");
}
return 0;
}