NOI.AC
| 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 |
|---|---|---|---|---|---|---|---|---|---|
| #214432 | #2386. 回忆 | zhangxinyang111 | 20 | 4ms | 2832kb | C++11 | 1.1kb | 2024-11-18 21:09:48 | 2024-11-19 08:34:40 |
answer
#include<bits/stdc++.h>
#define int long long
using namespace std;
int n,a[101],vis[200100],fla,b[101];
inline bool check(int num,int ind)
{
for(int i=1;i<ind;i++)
if (!vis[num+a[i]]) return false;
return true;
}
void dfs(int x,int lim,int a1){
if (x>n){
for (int i=1;i<=n;i++) cout<<a[i]<<" ";
cout<<"\n";
fla=1;
return;
}
for (int i=lim;i<=n*(n-1)/2;i++)
if (check(b[i]-a1,x))
{
a[x]=b[i]-a1;
for (int j=1;j<x;j++)
vis[a[x]+a[j]]--;
dfs(x+1,i+1,a1);
if (fla) break;
for (int j=1;j<x;j++)
vis[a[x]+a[j]]++;
}
}
void work()
{
memset(vis,0,sizeof(vis));
fla=0;
for (int i=1;i<=n*(n-1)/2;i++)
{
cin>>b[i];
vis[b[i]]++;
}
if (n==2){
if (b[1]!=0) cout<<0<<" "<<b[1]<<endl;
return;
}
sort(b+1,b+n*(n-1)/2+1);
for (int i=0;b[1]-i>i;i++)
{
a[1]=i; a[2]=b[1]-i; a[3]=b[2]-i;
vis[b[1]]--; vis[b[2]]--;
if (vis[a[2]+a[3]])
{
vis[a[2]+a[3]]--;
dfs(4,3,a[1]);
if(fla) break;
vis[a[2]+a[3]]++;
}
}
}
signed main()
{
cin.tie(nullptr) -> sync_with_stdio(false);
cin>>n;
work();
return 0;
}
详细
小提示：点击横条可展开更详细的信息
Test #1:
score: 10
Accepted
time: 0ms
memory: 2812kb
input:
5 4 5 9 9 10 13 14 14 15 19
output:
0 4 5 9 10
result:
ok Your answer is correct.
Test #2:
score: 0
Wrong Answer
time: 0ms
memory: 2772kb
input:
5 5 9 9 10 12 12 13 16 17 17
output:
result:
wrong output format Unexpected end of file - int32 expected
Test #3:
score: 10
Accepted
time: 2ms
memory: 2816kb
input:
5 10 11 12 13 13 14 15 15 16 17
output:
4 6 7 8 9
result:
ok Your answer is correct.
Test #4:
score: 0
Wrong Answer
time: 2ms
memory: 2828kb
input:
50 9 13 15 20 20 20 21 22 22 26 26 26 27 27 27 28 29 31 31 32 32 33 33 33 33 33 34 34 34 35 35 36 37...
output:
0 9 13 15 20 20 20 21 22 22 26 26 26 27 27 27 28 29 31 31 32 32 33 33 33 33 33 34 34 34 35 35 36 37 ...
result:
wrong answer Your answer is incorrect.
Test #5:
score: 0
Wrong Answer
time: 0ms
memory: 2832kb
input:
50 9 11 14 14 16 16 16 18 19 19 21 21 21 21 22 22 23 23 23 23 24 25 25 26 26 26 26 26 26 26 27 27 27...
output:
0 9 11 14 14 16 16 16 18 19 19 21 21 21 21 22 22 23 23 23 23 24 25 25 26 26 26 26 26 26 26 27 27 27 ...
result:
wrong answer Your answer is incorrect.
Test #6:
score: 0
Wrong Answer
time: 0ms
memory: 2832kb
input:
50 7 9 12 16 19 21 26 27 29 29 31 33 33 33 34 35 36 36 36 36 37 38 38 38 38 39 39 40 40 40 41 41 42 ...
output:
0 7 9 12 16 19 21 26 27 29 29 31 33 33 33 34 35 36 36 36 36 37 38 38 38 38 39 39 40 40 40 41 41 42 4...
result:
wrong answer Your answer is incorrect.
Test #7:
score: 0
Runtime Error
input:
300 660422 717145 1052261 1191442 1526558 1583281 1636913 1972029 2028752 2207583 2247577 2427928 25...
output:
result:
Test #8:
score: 0
Runtime Error
input:
300 1719032 1728175 1968715 2265775 2506315 2515458 2534303 2752316 3002166 3035709 3071903 3081046 ...
output:
result:
Test #9:
score: 0
Runtime Error
input:
300 725653 809390 819383 974701 984694 1058923 1068431 1068916 1152653 1317964 1422171 1432164 15159...
output:
result:
Test #10:
score: 0
Runtime Error
input:
300 2355315 3132486 3240117 3325566 3662015 3854305 3961936 4047385 4053636 4142315 4383834 4725290 ...
