QOJ.ac
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 |
---|---|---|---|---|---|---|---|---|---|
#331686 | #5589. Everything Is A Nail | hxd248 | AC ✓ | 30ms | 4604kb | C++14 | 734b | 2024-02-18 17:10:20 | 2024-02-18 17:10:21 |
Judging History
answer
#include <algorithm>
#include <iostream>
#include <vector>
using namespace std;
int dp[8][3];
int main() {
int n;
cin >> n;
vector<int> v(n);
for(auto& x: v) {
cin >> x;
}
for(auto out: v) {
for(int mask = 0; mask < 8; mask++) {
for(int i = 0; i < 3; i++) {
if((mask&(1<<i))) {
dp[mask][i] += (i == out);
if(i == out) {
for(int j = 0; j < 3; j++) {
if(mask&(1<<j)) continue;
dp[mask][i] = max(dp[mask][i], dp[mask|(1<<j)][j] + 1);
}
}
}
}
}
}
int ret = 0;
for(int i = 0; i < 8; i++) for(int j = 0; j < 3; j++) ret = max(ret, dp[i][j]);
cout << ret << "\n";
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3792kb
input:
10 1 1 1 0 0 0 0 2 2 2
output:
10
result:
ok single line: '10'
Test #2:
score: 0
Accepted
time: 0ms
memory: 3824kb
input:
10 0 1 2 0 1 2 0 1 2 0
output:
5
result:
ok single line: '5'
Test #3:
score: 0
Accepted
time: 0ms
memory: 3624kb
input:
1 0
output:
1
result:
ok single line: '1'
Test #4:
score: 0
Accepted
time: 0ms
memory: 3788kb
input:
1 1
output:
1
result:
ok single line: '1'
Test #5:
score: 0
Accepted
time: 0ms
memory: 3624kb
input:
1 2
output:
1
result:
ok single line: '1'
Test #6:
score: 0
Accepted
time: 0ms
memory: 3560kb
input:
10 0 0 0 0 0 0 0 0 0 0
output:
10
result:
ok single line: '10'
Test #7:
score: 0
Accepted
time: 0ms
memory: 3512kb
input:
10 1 2 0 1 2 0 1 2 0 1
output:
5
result:
ok single line: '5'
Test #8:
score: 0
Accepted
time: 0ms
memory: 3628kb
input:
10 0 0 0 0 0 2 2 2 1 1
output:
10
result:
ok single line: '10'
Test #9:
score: 0
Accepted
time: 0ms
memory: 3624kb
input:
10 0 2 1 0 0 1 1 0 0 2
output:
6
result:
ok single line: '6'
Test #10:
score: 0
Accepted
time: 0ms
memory: 3516kb
input:
10 0 1 2 2 0 0 1 1 2 1
output:
7
result:
ok single line: '7'
Test #11:
score: 0
Accepted
time: 0ms
memory: 3784kb
input:
10 2 1 1 2 1 1 2 2 0 0
output:
8
result:
ok single line: '8'
Test #12:
score: 0
Accepted
time: 0ms
memory: 3636kb
input:
1000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0...
output:
1000
result:
ok single line: '1000'
Test #13:
score: 0
Accepted
time: 0ms
memory: 3664kb
input:
1000 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2...
output:
335
result:
ok single line: '335'
Test #14:
score: 0
Accepted
time: 0ms
memory: 3600kb
input:
1000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1...
output:
1000
result:
ok single line: '1000'
Test #15:
score: 0
Accepted
time: 0ms
memory: 3624kb
input:
1000 0 0 0 2 1 1 1 1 0 1 2 2 0 2 0 0 1 2 0 1 2 0 2 2 1 2 0 1 2 0 2 0 2 1 2 1 2 1 2 2 1 2 2 2 0 2 0 1 2 0 2 1 2 0 2 1 0 1 2 0 0 2 0 0 1 0 0 0 0 1 0 1 2 1 2 2 1 2 0 1 1 1 2 1 2 1 1 0 0 0 1 1 0 0 0 0 2 0 0 1 0 1 0 2 0 0 2 0 2 1 1 0 0 2 1 1 0 1 2 0 2 2 2 0 0 1 2 1 1 0 1 1 2 1 2 1 0 1 0 2 1 0 1 1 1 0 2 2...
output:
372
result:
ok single line: '372'
Test #16:
score: 0
Accepted
time: 0ms
memory: 3564kb
input:
1000 2 0 0 2 1 0 0 0 0 1 0 0 1 1 2 1 2 0 0 2 0 1 1 0 1 2 0 1 1 1 0 1 1 1 1 2 0 1 2 0 1 1 2 1 2 1 1 1 1 1 2 2 2 0 2 1 2 2 0 2 2 1 2 1 1 0 1 2 1 2 2 2 2 2 0 0 1 2 1 0 0 0 1 0 2 0 2 2 1 0 1 0 1 0 1 1 1 0 2 2 0 0 2 1 2 1 2 1 1 0 0 0 0 2 1 0 2 0 2 0 1 1 1 1 2 1 2 1 1 1 1 0 0 0 0 2 2 0 1 0 2 2 1 0 0 2 1 1...
output:
382
result:
ok single line: '382'
Test #17:
score: 0
Accepted
time: 0ms
memory: 3836kb
input:
1000 0 2 2 2 2 1 0 2 2 1 1 2 1 1 1 1 2 0 0 2 2 2 2 1 1 1 0 0 0 1 2 0 2 2 0 2 2 0 1 2 0 2 1 2 2 1 1 2 2 2 0 2 2 2 1 0 2 0 0 0 1 0 0 0 0 2 2 2 0 2 2 2 0 2 2 0 0 2 1 0 2 1 0 0 0 0 0 1 2 2 1 0 2 2 1 2 2 1 0 1 0 1 1 1 1 1 2 2 0 1 1 1 2 2 0 1 2 1 1 1 0 0 0 1 0 1 0 0 2 0 2 1 0 2 2 2 0 1 0 0 2 1 0 1 1 1 0 2...
output:
373
result:
ok single line: '373'
Test #18:
score: 0
Accepted
time: 1ms
memory: 3868kb
input:
2500 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0...
output:
2500
result:
ok single line: '2500'
Test #19:
score: 0
Accepted
time: 0ms
memory: 3516kb
input:
2500 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1...
output:
835
result:
ok single line: '835'
Test #20:
score: 0
Accepted
time: 1ms
memory: 3668kb
input:
2500 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2...
output:
2500
result:
ok single line: '2500'
Test #21:
score: 0
Accepted
time: 1ms
memory: 3568kb
input:
2500 1 0 0 1 1 1 1 0 1 0 0 0 2 1 1 1 0 2 1 2 0 2 2 2 0 0 2 2 1 0 1 2 2 1 0 0 1 2 2 2 1 1 1 0 0 0 2 1 2 1 2 2 2 1 1 0 0 0 0 1 0 2 1 2 2 1 1 1 0 0 2 2 1 2 1 0 2 0 2 2 1 0 1 0 2 2 0 2 0 2 2 1 2 2 0 1 2 1 0 1 2 0 2 1 0 0 2 2 1 2 1 0 1 2 1 1 0 1 2 2 1 0 1 0 2 1 2 1 1 0 1 1 2 0 2 1 0 2 0 0 0 2 1 2 0 1 0 2...
output:
889
result:
ok single line: '889'
Test #22:
score: 0
Accepted
time: 1ms
memory: 3796kb
input:
2500 0 2 1 1 2 0 0 1 0 1 1 1 1 2 2 1 2 2 0 0 1 0 0 1 0 2 2 1 0 1 2 0 1 2 0 0 0 2 2 2 0 1 0 0 2 0 1 2 1 1 1 1 0 2 2 1 2 0 2 0 0 0 0 1 1 2 2 2 0 1 2 2 2 0 2 2 2 0 0 0 0 0 1 2 1 1 1 0 0 1 1 2 2 0 2 0 2 0 1 2 2 0 0 1 0 0 2 0 1 2 0 1 2 0 0 0 0 0 0 1 0 2 2 2 1 2 0 2 1 2 1 2 0 0 0 2 0 1 0 1 2 1 1 1 0 2 0 1...
output:
890
result:
ok single line: '890'
Test #23:
score: 0
Accepted
time: 1ms
memory: 3668kb
input:
2500 2 2 2 2 1 2 0 1 0 1 1 1 1 2 1 2 2 1 0 2 1 1 2 1 1 2 2 2 1 1 0 1 0 2 0 2 1 1 0 0 0 2 0 2 2 2 1 2 1 2 2 0 1 1 2 0 2 2 2 2 0 1 2 0 2 0 2 2 1 0 0 2 1 0 0 1 1 0 2 2 2 0 0 0 0 0 0 2 2 1 2 2 0 1 1 2 0 0 0 2 0 1 1 1 0 1 1 0 1 0 2 0 2 1 2 0 2 1 0 1 1 1 1 2 0 1 2 2 1 0 0 0 1 1 1 2 0 2 1 2 1 2 2 0 1 2 0 1...
output:
881
result:
ok single line: '881'
Test #24:
score: 0
Accepted
time: 1ms
memory: 3656kb
input:
10000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...
output:
10000
result:
ok single line: '10000'
Test #25:
score: 0
Accepted
time: 1ms
memory: 3700kb
input:
10000 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 ...
output:
3335
result:
ok single line: '3335'
Test #26:
score: 0
Accepted
time: 1ms
memory: 3668kb
input:
10000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...
output:
10000
result:
ok single line: '10000'
Test #27:
score: 0
Accepted
time: 0ms
memory: 3664kb
input:
10000 2 2 2 1 1 0 0 1 2 1 2 1 2 0 0 1 1 1 1 2 0 2 0 0 2 0 2 2 2 1 2 2 0 1 0 0 2 1 0 0 1 1 2 0 1 0 0 0 1 1 2 2 0 2 1 0 1 2 1 0 1 2 1 2 1 0 1 0 0 0 0 2 2 1 0 1 2 1 1 0 0 0 2 0 2 2 0 0 0 2 1 0 0 2 0 2 2 0 0 0 1 0 0 1 0 1 1 2 1 1 1 2 0 2 1 2 0 2 2 0 2 1 0 0 2 2 1 2 0 1 0 1 2 0 0 2 0 2 0 1 2 2 2 2 0 1 2 ...
output:
3470
result:
ok single line: '3470'
Test #28:
score: 0
Accepted
time: 1ms
memory: 3860kb
input:
10000 1 2 1 0 2 0 1 1 0 2 0 2 1 1 1 1 0 2 2 0 0 1 2 2 1 0 2 2 0 1 0 2 0 2 0 0 2 2 1 2 2 0 2 1 0 0 2 1 2 2 0 2 2 1 0 1 1 0 1 0 1 0 1 1 2 1 2 0 2 2 2 0 2 1 1 0 1 1 0 0 1 0 1 2 2 1 0 2 0 1 2 2 0 0 2 1 1 1 2 1 1 0 1 2 0 0 2 1 1 2 0 0 2 0 0 0 1 2 0 1 1 0 1 1 2 2 0 2 1 1 1 0 0 2 2 2 1 1 2 0 2 2 1 2 2 2 0 ...
output:
3491
result:
ok single line: '3491'
Test #29:
score: 0
Accepted
time: 0ms
memory: 3596kb
input:
10000 2 0 2 1 1 2 2 0 0 1 2 0 0 1 1 1 1 0 1 0 1 2 0 2 0 0 1 2 1 1 0 1 2 0 1 1 2 2 0 2 1 0 2 2 1 0 2 2 2 1 2 0 2 0 2 0 0 1 0 0 2 1 0 0 1 0 0 2 2 0 0 1 1 2 0 2 0 1 1 1 2 1 0 2 2 1 1 1 1 2 0 0 2 2 0 0 1 0 1 2 2 0 1 0 0 1 0 0 2 2 1 0 1 1 0 2 2 1 0 1 1 2 1 0 0 0 1 1 0 2 1 2 2 1 2 1 0 1 2 1 1 1 2 2 1 0 1 ...
output:
3489
result:
ok single line: '3489'
Test #30:
score: 0
Accepted
time: 22ms
memory: 4520kb
input:
300000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1...
output:
300000
result:
ok single line: '300000'
Test #31:
score: 0
Accepted
time: 29ms
memory: 4452kb
input:
300000 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0...
output:
100002
result:
ok single line: '100002'
Test #32:
score: 0
Accepted
time: 26ms
memory: 4484kb
input:
300000 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2...
output:
300000
result:
ok single line: '300000'
Test #33:
score: 0
Accepted
time: 30ms
memory: 4516kb
input:
300000 2 0 0 1 0 0 0 1 0 1 1 0 2 2 0 1 0 2 2 0 2 0 0 0 1 1 2 0 2 0 1 1 0 2 1 0 0 0 0 1 0 0 0 1 2 2 1 1 1 2 2 1 0 2 2 1 1 2 0 0 0 2 0 0 2 1 0 1 1 1 1 0 2 2 2 1 1 1 2 0 0 2 1 1 0 0 2 1 0 2 1 0 1 0 2 0 2 2 1 0 1 0 0 0 0 0 0 2 0 2 2 0 1 0 1 0 1 1 2 1 2 0 2 1 2 1 0 0 2 2 2 1 1 0 2 1 1 0 1 2 1 0 1 0 0 0 1...
output:
100888
result:
ok single line: '100888'
Test #34:
score: 0
Accepted
time: 29ms
memory: 4604kb
input:
300000 2 1 1 2 2 0 0 0 0 2 1 0 0 1 2 2 1 0 1 1 2 2 0 2 0 0 1 2 2 1 2 0 0 1 0 2 0 0 1 2 0 2 1 1 2 2 0 1 2 2 2 1 0 2 2 2 2 1 0 2 2 2 0 1 1 2 1 0 0 2 0 0 2 2 2 2 0 2 1 1 0 0 1 1 1 1 2 0 1 1 1 1 1 2 1 1 1 0 0 1 0 1 2 1 2 2 2 2 0 0 1 1 1 1 2 2 2 2 1 0 1 0 0 0 2 2 2 1 0 2 0 2 2 0 1 0 1 2 2 0 1 1 2 2 2 2 0...
output:
100714
result:
ok single line: '100714'
Test #35:
score: 0
Accepted
time: 29ms
memory: 4536kb
input:
300000 0 0 1 0 2 1 0 1 2 0 0 2 0 2 2 1 0 0 1 2 0 2 2 2 1 1 1 2 2 1 1 2 2 1 0 2 1 1 2 0 2 2 0 0 2 2 1 2 2 2 0 1 0 1 2 2 0 1 1 1 1 1 1 1 0 0 1 1 2 1 2 1 0 2 2 0 1 2 0 2 0 2 2 1 1 2 0 0 2 1 1 2 1 1 2 0 0 2 1 0 2 0 2 1 0 2 1 1 0 1 0 2 2 2 2 2 2 2 2 1 0 2 2 0 1 0 0 0 1 2 1 1 2 1 1 1 1 2 2 0 1 2 1 2 1 1 1...
output:
100845
result:
ok single line: '100845'