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QOJ
| ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
|---|---|---|---|---|---|---|---|---|---|
| #290244 | #5822. 城市建设 | 50lty12 | 20 | 1ms | 3860kb | C++14 | 646b | 2023-12-24 16:33:47 | 2023-12-24 16:33:47 |
Judging History
answer
#include<bits/stdc++.h>
#define int long long
using namespace std;
const int N=1e5+5;
int n,c,ans=1e18;
int f[N],b[N];
void dfs(int k,int cnt){
if(cnt*c>=ans) return;
if(k>n){
int w=0,s=cnt*c;
for(int i=1; i<=n; i++){
if(f[i]) b[++w]=i;
}
for(int i=2; i<=w; i++) s+=b[i]-b[i-1];
for(int i=1; i<=n; i++){
if(!f[i]){
int ss=1e9;
for(int j=1; j<=w; j++) ss=min(ss,abs(b[j]-i));
s+=ss;
}
}
ans=min(ans,s);
return;
}
dfs(k+1,cnt);
f[k]=1;
dfs(k+1,cnt+1);
f[k]=0;
}
signed main(){
scanf("%lld%lld",&n,&c);
dfs(1,0);
printf("%lld\n",ans);
return 0;
}
/*
6 3
12
*/
详细
Test #1:
score: 5
Accepted
time: 0ms
memory: 3860kb
input:
14 7
output:
45
result:
ok single line: '45'
Test #2:
score: 5
Accepted
time: 1ms
memory: 3632kb
input:
15 9
output:
53
result:
ok single line: '53'
Test #3:
score: 5
Accepted
time: 1ms
memory: 3648kb
input:
15 32
output:
88
result:
ok single line: '88'
Test #4:
score: 5
Accepted
time: 0ms
memory: 3572kb
input:
18 47
output:
128
result:
ok single line: '128'
Test #5:
score: 0
Time Limit Exceeded
input:
691 13
output:
result:
Test #6:
score: 0
Time Limit Exceeded
input:
723 381
output:
result:
Test #7:
score: 0
Time Limit Exceeded
input:
530 4577
output:
result:
Test #8:
score: 0
Time Limit Exceeded
input:
873 71661
output:
result:
Test #9:
score: 0
Time Limit Exceeded
input:
50512 6380
output:
result:
Test #10:
score: 0
Time Limit Exceeded
input:
94371 8943
output:
result:
Test #11:
score: 0
Time Limit Exceeded
input:
51969 2391
output:
result:
Test #12:
score: 0
Time Limit Exceeded
input:
90967 8394
output:
result:
Test #13:
score: 0
Memory Limit Exceeded
input:
903367404 61
output:
result:
Test #14:
score: 0
Memory Limit Exceeded
input:
619459664 4190
output:
result:
Test #15:
score: 0
Memory Limit Exceeded
input:
714829312 304390
output:
result:
Test #16:
score: 0
Memory Limit Exceeded
input:
760183494 45248537
output:
result:
Test #17:
score: 0
Memory Limit Exceeded
input:
500350887 499
output:
result:
Test #18:
score: 0
Memory Limit Exceeded
input:
837064072 96455
output:
result:
Test #19:
score: 0
Memory Limit Exceeded
input:
784256648 6177252
output:
result:
Test #20:
score: 0
Memory Limit Exceeded
input:
650371022 480071734