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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 |
|---|---|---|---|---|---|---|---|---|---|
| #604960 | #2510. Make Numbers | ucup-team3474 | AC ✓ | 1ms | 7832kb | C++20 | 2.9kb | 2024-10-02 14:47:30 | 2024-10-02 14:47:31 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
const int N=1919810;
typedef long long ll;
typedef pair<ll,ll> PII;
ll n,m,k;
ll a[N],b[N];
char s[N];
int p[N];
set<int> se;
int main(){
for(int i=1;i<=4;i++) cin>>a[i];
for(int i=1;i<=4;i++) p[i]=i;
do{
for(int i=1;i<=4;i++) b[i]=a[p[i]];
se.insert(b[1]+b[2]+b[3]+b[4]);
se.insert(b[1]+b[2]+b[3]-b[4]);
se.insert(b[1]+b[2]+b[3]*b[4]);
se.insert(b[1]+b[2]-b[3]+b[4]);
se.insert(b[1]+b[2]-b[3]-b[4]);
se.insert(b[1]+b[2]-b[3]*b[4]);
se.insert(b[1]+b[2]*b[3]+b[4]);
se.insert(b[1]+b[2]*b[3]-b[4]);
se.insert(b[1]+b[2]*b[3]*b[4]);
se.insert(b[1]-b[2]+b[3]+b[4]);
se.insert(b[1]-b[2]+b[3]-b[4]);
se.insert(b[1]-b[2]+b[3]*b[4]);
se.insert(b[1]-b[2]-b[3]+b[4]);
se.insert(b[1]-b[2]-b[3]-b[4]);
se.insert(b[1]-b[2]-b[3]*b[4]);
se.insert(b[1]-b[2]*b[3]+b[4]);
se.insert(b[1]-b[2]*b[3]-b[4]);
se.insert(b[1]-b[2]*b[3]*b[4]);
se.insert(b[1]*b[2]+b[3]+b[4]);
se.insert(b[1]*b[2]+b[3]-b[4]);
se.insert(b[1]*b[2]+b[3]*b[4]);
se.insert(b[1]*b[2]-b[3]+b[4]);
se.insert(b[1]*b[2]-b[3]-b[4]);
se.insert(b[1]*b[2]-b[3]*b[4]);
se.insert(b[1]*b[2]*b[3]+b[4]);
se.insert(b[1]*b[2]*b[3]-b[4]);
se.insert(b[1]*b[2]*b[3]*b[4]);
int b12=b[1]*10+b[2],b23=b[2]*10+b[3],b34=b[3]*10+b[4];
int b123=b12*10+b[3],b234=b23*10+b[4];
se.insert(b12+b[3]+b[4]);
se.insert(b12+b[3]-b[4]);
se.insert(b12+b[3]*b[4]);
se.insert(b12-b[3]+b[4]);
se.insert(b12-b[3]-b[4]);
se.insert(b12-b[3]*b[4]);
se.insert(b12*b[3]+b[4]);
se.insert(b12*b[3]-b[4]);
se.insert(b12*b[3]*b[4]);
se.insert(b[1]+b23+b[4]);
se.insert(b[1]+b23-b[4]);
se.insert(b[1]+b23*b[4]);
se.insert(b[1]-b23+b[4]);
se.insert(b[1]-b23-b[4]);
se.insert(b[1]-b23*b[4]);
se.insert(b[1]*b23+b[4]);
se.insert(b[1]*b23-b[4]);
se.insert(b[1]*b23*b[4]);
se.insert(b[1]+b[2]+b34);
se.insert(b[1]+b[2]-b34);
se.insert(b[1]+b[2]*b34);
se.insert(b[1]-b[2]+b34);
se.insert(b[1]-b[2]-b34);
se.insert(b[1]-b[2]*b34);
se.insert(b[1]*b[2]+b34);
se.insert(b[1]*b[2]-b34);
se.insert(b[1]*b[2]*b34);
se.insert(b12+b34);
se.insert(b12-b34);
se.insert(b12*b34);
se.insert(b123+b[4]);
se.insert(b123-b[4]);
se.insert(b123*b[4]);
se.insert(b[1]+b234);
se.insert(b[1]-b234);
se.insert(b[1]*b234);
}while(next_permutation(p+1,p+1+4));
int ans=0;
for(auto x:se) if(x>=0) ans++;
// cout<<endl;
cout<<ans;
}
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 7820kb
input:
1 1 1 1
output:
15
result:
ok single line: '15'
Test #2:
score: 0
Accepted
time: 1ms
memory: 7732kb
input:
1 1 1 1
output:
15
result:
ok single line: '15'
Test #3:
score: 0
Accepted
time: 0ms
memory: 7808kb
input:
1 1 2 1
output:
32
result:
ok single line: '32'
Test #4:
score: 0
Accepted
time: 1ms
memory: 7680kb
input:
1 2 4 8
output:
178
result:
ok single line: '178'
Test #5:
score: 0
Accepted
time: 1ms
memory: 7804kb
input:
1 3 3 8
output:
107
result:
ok single line: '107'
Test #6:
score: 0
Accepted
time: 1ms
memory: 7676kb
input:
1 1 2 1
output:
32
result:
ok single line: '32'
Test #7:
score: 0
Accepted
time: 0ms
memory: 7800kb
input:
2 2 4 4
output:
58
result:
ok single line: '58'
Test #8:
score: 0
Accepted
time: 1ms
memory: 7672kb
input:
2 3 4 5
output:
183
result:
ok single line: '183'
Test #9:
score: 0
Accepted
time: 1ms
memory: 7832kb
input:
2 3 5 7
output:
191
result:
ok single line: '191'
Test #10:
score: 0
Accepted
time: 1ms
memory: 7620kb
input:
2 4 6 8
output:
172
result:
ok single line: '172'
Test #11:
score: 0
Accepted
time: 0ms
memory: 7672kb
input:
2 5 5 5
output:
54
result:
ok single line: '54'
Test #12:
score: 0
Accepted
time: 1ms
memory: 7680kb
input:
2 8 6 4
output:
172
result:
ok single line: '172'
Test #13:
score: 0
Accepted
time: 1ms
memory: 7644kb
input:
3 3 3 3
output:
22
result:
ok single line: '22'
Test #14:
score: 0
Accepted
time: 0ms
memory: 7624kb
input:
5 3 2 7
output:
191
result:
ok single line: '191'
Test #15:
score: 0
Accepted
time: 1ms
memory: 7756kb
input:
5 7 8 9
output:
217
result:
ok single line: '217'
Test #16:
score: 0
Accepted
time: 1ms
memory: 7808kb
input:
9 9 9 9
output:
20
result:
ok single line: '20'