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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#101370 | #6130. Plants vs. Zombies | diyitibu# | WA | 183ms | 6492kb | C++14 | 946b | 2023-04-29 11:52:12 | 2023-04-29 11:52:16 |
Judging History
answer
#include<bits/stdc++.h>
#define ll __int128
#define gc getchar
#define maxn 100005
using namespace std;
inline ll read(){
ll a=0;int f=0;char p=gc();
while(!isdigit(p)){f|=p=='-';p=gc();}
while(isdigit(p)){a=(a<<3)+(a<<1)+(p^48);p=gc();}
return f?-a:a;
}int n;
ll m;
void write(ll x){
if(x >= 10) write(x / 10) ;
putchar('0' + x % 10) ;
}
__int128 a[maxn],d[maxn];
inline int solve(ll x){
ll sum=n;
for(int i=1;i<=n;++i)d[i]=a[i];
for(int i=1;i<=n;++i){
if(x<=d[i])continue;
ll ci=ceil(1.0*(x-d[i])/a[i]);
d[i+1]+=ci*a[i+1];
sum+=ci<<1;
if(sum>m)return 0;
}
return sum<=m;
}
int main(){
int t=read();
while(t--){
n=read();m=read();
for(int i=1;i<=n;++i)
a[i]=read(),d[i]=0;
ll l=0,r=1e17,ans=0;
while(l<=r){
ll mid=l+r>>1;
if(solve(mid))ans=mid,l=mid+1;
else r=mid-1;
}
//printf("%lld\n",ans);
write(ans) ;
putchar('\n') ;
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 2ms
memory: 3420kb
input:
2 4 8 3 2 6 6 3 9 10 10 1
output:
6 4
result:
ok 2 number(s): "6 4"
Test #2:
score: -100
Wrong Answer
time: 183ms
memory: 6492kb
input:
116 4 0 3 2 6 6 4 1 3 2 6 6 10 19 10 2 8 4 2 4 9 3 3 3 4 8 3 9 3 6 2 19 2 10 11 15 3 1 1 4 3 7 10 8 6 7 10 10 14 8 7 1 1 10 9 2 8 10 7 2 13 2 3 10 10 8 1 6 6 9 4 7 1 8 8 7 14 6 7 4 5 3 1 3 11 6 8 1 10 9 7 2 6 6 1 3 9 4 10 6 1 3 8 7 7 10 6 2 10 4 7 2 5 11 9 10 5 9 2 9 1 2 4 8 6 2 8 8 1 6 4 5 7 2 9 8 ...
output:
0 0 4 6 18 3 2 12 1 4 0 4 2 6 0 2 24 3 30 10 0 2 3 0 0 2 6 0 1 6 24 28 1 3 3 0 4 10 6 4 1 5 0 1 0 7 30 2 0 0 16 8 0 30 2 25 4 2 0 0 2 0 2 0 5 2 0 0 0 0 5 0 4 4 28 0 0 21 3 0 2 4 0 0 14 4 6 1 0 5 12 3 8 0 4 0 10 12 5 6 1 6 9 0 725 0 17 132 676 588 110 0 163 5910826 1000000000000 16561021906
result:
wrong answer 5th numbers differ - expected: '20', found: '18'