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 |
---|---|---|---|---|---|---|---|---|---|
#733341 | #8776. Not Another Constructive! | aYi_7 | TL | 1000ms | 251728kb | C++17 | 1.7kb | 2024-11-10 18:20:43 | 2024-11-10 18:20:44 |
Judging History
answer
#include <bits/stdc++.h>
//#define int long long
using namespace std;
void solve() {
int n,k;cin>>n>>k;
string s;cin>>s;s="#"+s;
vector<map<array<int,3>,pair<char,array<int,3>>>>f(n+1,map<array<int,3>,pair<char,array<int,3>>>());
f[0][{0,0,0}]={'#',{0,0,0}};
for(int i=1;i<=n;i++){
for(auto [o,oo]:f[i-1]){
auto [a1,a2,a3]=o;
if(s[i]=='N')f[i][{a1+1,a2,a3}]={'N',o};
else if(s[i]=='A')f[i][{a1,a1+a2,a3}]={'A',o};
else if(s[i]=='C'){
if(a2+a3<=k)
f[i][{a1,a2,a2+a3}]={'C',o};
}
else if(s[i]=='?'){
if(a1+1<=k)
f[i][{a1+1,a2,a3}]={'N',o};
if(a1+a2<=k)
f[i][{a1,a1+a2,a3}]={'A',o};
if(a2+a3<=k)
f[i][{a1,a2,a2+a3}]={'C',o};
f[i][o]={'E',o};
}
else f[i][o]={s[i],o};
}
}
char cur='#';
array<int,3>last;
for(auto [o,oo]:f[n]){
auto [a1,a2,a3]=o;
if(a3==k){
cur=oo.first;
last=oo.second;
break;
}
}
if(cur=='#'){
cout<<"-1\n";
return;
}
s[n]=cur;
for(int i=n-1;i>0;i--){
auto [o,oo]=f[i][last];
s[i]=o;
last=oo;
}
s.erase(s.begin());
cout<<s<<"\n";
}
/**
22 2
N??A??????C???????????
18 0
COUNTINGSATELLITES
2 1
??
* **/
signed main() {
std::ios::sync_with_stdio(false);
std::cin.tie(nullptr);
int t = 1;
//std::cin >> t;
for (int i = 0; i < t; ++i) {
solve();
}
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3832kb
input:
22 2 N??A??????C???????????
output:
NEEACEEEEECEEEEEEEEEEE
result:
ok correct
Test #2:
score: 0
Accepted
time: 0ms
memory: 3864kb
input:
18 0 COUNTINGSATELLITES
output:
COUNTINGSATELLITES
result:
ok correct
Test #3:
score: 0
Accepted
time: 0ms
memory: 3620kb
input:
2 1 ??
output:
-1
result:
ok correct
Test #4:
score: 0
Accepted
time: 0ms
memory: 3564kb
input:
1 0 ?
output:
E
result:
ok correct
Test #5:
score: 0
Accepted
time: 0ms
memory: 3620kb
input:
1 0 N
output:
N
result:
ok correct
Test #6:
score: 0
Accepted
time: 0ms
memory: 3860kb
input:
1 0 X
output:
X
result:
ok correct
Test #7:
score: 0
Accepted
time: 0ms
memory: 3632kb
input:
1 1 ?
output:
-1
result:
ok correct
Test #8:
score: 0
Accepted
time: 0ms
memory: 3560kb
input:
1 1 N
output:
-1
result:
ok correct
Test #9:
score: 0
Accepted
time: 0ms
memory: 3820kb
input:
1 1 X
output:
-1
result:
ok correct
Test #10:
score: 0
Accepted
time: 0ms
memory: 3560kb
input:
2 0 ??
output:
EE
result:
ok correct
Test #11:
score: 0
Accepted
time: 0ms
memory: 3560kb
input:
2 0 N?
output:
NE
result:
ok correct
Test #12:
score: 0
Accepted
time: 0ms
memory: 3624kb
input:
2 0 ?C
output:
EC
result:
ok correct
Test #13:
score: 0
Accepted
time: 0ms
memory: 3568kb
input:
2 1 N?
output:
-1
result:
ok correct
Test #14:
score: 0
Accepted
time: 0ms
memory: 3860kb
input:
2 1 ?C
output:
-1
result:
ok correct
Test #15:
score: 0
Accepted
time: 0ms
memory: 3632kb
input:
3 1 ???
output:
NAC
result:
ok correct
Test #16:
score: 0
Accepted
time: 0ms
memory: 3504kb
input:
3 1 N??
output:
NAC
result:
ok correct
Test #17:
score: 0
Accepted
time: 0ms
memory: 3504kb
input:
3 1 ?A?
output:
NAC
result:
ok correct
Test #18:
score: 0
Accepted
time: 0ms
memory: 3816kb
input:
3 1 ??C
output:
NAC
result:
ok correct
Test #19:
score: 0
Accepted
time: 0ms
memory: 3624kb
input:
3 1 NA?
output:
NAC
result:
ok correct
Test #20:
score: 0
Accepted
time: 0ms
memory: 3788kb
input:
3 1 N?C
output:
NAC
result:
ok correct
Test #21:
score: 0
Accepted
time: 0ms
memory: 3864kb
input:
3 1 ?AC
output:
NAC
result:
ok correct
Test #22:
score: 0
Accepted
time: 0ms
memory: 3628kb
input:
4 1 ????
output:
NACE
result:
ok correct
Test #23:
score: 0
Accepted
time: 0ms
memory: 3596kb
input:
4 1 X???
output:
XNAC
result:
ok correct
Test #24:
score: 0
Accepted
time: 0ms
memory: 3624kb
input:
4 1 ???Z
output:
NACZ
result:
ok correct
Test #25:
score: 0
Accepted
time: 0ms
memory: 3564kb
input:
4 1 ?AA?
output:
-1
result:
ok correct
Test #26:
score: 0
Accepted
time: 0ms
memory: 3552kb
input:
4 1 N???
output:
NACE
result:
ok correct
Test #27:
score: 0
Accepted
time: 0ms
memory: 3620kb
input:
4 1 ?N??
output:
ENAC
result:
ok correct
Test #28:
score: 0
Accepted
time: 0ms
memory: 3564kb
input:
4 1 ??N?
output:
NANC
result:
ok correct
Test #29:
score: 0
Accepted
time: 0ms
memory: 3856kb
input:
4 1 ???N
output:
NACN
result:
ok correct
Test #30:
score: 0
Accepted
time: 0ms
memory: 3616kb
input:
4 1 A???
output:
ANAC
result:
ok correct
Test #31:
score: 0
Accepted
time: 0ms
memory: 3616kb
input:
4 1 ?A??
output:
NACE
result:
ok correct
Test #32:
score: 0
Accepted
time: 0ms
memory: 3564kb
input:
4 1 ??A?
output:
NEAC
result:
ok correct
Test #33:
score: 0
Accepted
time: 0ms
memory: 3636kb
input:
4 1 ???A
output:
NACA
result:
ok correct
Test #34:
score: 0
Accepted
time: 0ms
memory: 3624kb
input:
4 1 C???
output:
CNAC
result:
ok correct
Test #35:
score: 0
Accepted
time: 0ms
memory: 3624kb
input:
4 1 ?C??
output:
NCAC
result:
ok correct
Test #36:
score: 0
Accepted
time: 0ms
memory: 3564kb
input:
4 1 ??C?
output:
NACE
result:
ok correct
Test #37:
score: 0
Accepted
time: 0ms
memory: 3564kb
input:
4 1 ???C
output:
NAEC
result:
ok correct
Test #38:
score: 0
Accepted
time: 0ms
memory: 3812kb
input:
5 4 ?????
output:
NAACC
result:
ok correct
Test #39:
score: 0
Accepted
time: 0ms
memory: 3796kb
input:
6 14 ??????
output:
-1
result:
ok correct
Test #40:
score: 0
Accepted
time: 0ms
memory: 3880kb
input:
7 14 ???????
output:
-1
result:
ok correct
Test #41:
score: 0
Accepted
time: 1ms
memory: 3704kb
input:
8 43 ????????
output:
-1
result:
ok correct
Test #42:
score: 0
Accepted
time: 1ms
memory: 3992kb
input:
9 55 ?????????
output:
-1
result:
ok correct
Test #43:
score: 0
Accepted
time: 1ms
memory: 4116kb
input:
10 112 ??????????
output:
-1
result:
ok correct
Test #44:
score: 0
Accepted
time: 2ms
memory: 4060kb
input:
11 110 ???????????
output:
-1
result:
ok correct
Test #45:
score: 0
Accepted
time: 1ms
memory: 3644kb
input:
12 4 ????????????
output:
NACCCCEEEEEE
result:
ok correct
Test #46:
score: 0
Accepted
time: 5ms
memory: 5068kb
input:
13 193 ?????????????
output:
-1
result:
ok correct
Test #47:
score: 0
Accepted
time: 5ms
memory: 6024kb
input:
14 91 ??????????????
output:
NNNANAAACACCCC
result:
ok correct
Test #48:
score: 0
Accepted
time: 4ms
memory: 4668kb
input:
15 15 ???????????????
output:
NACACCCCCCCEEEE
result:
ok correct
Test #49:
score: 0
Accepted
time: 17ms
memory: 9888kb
input:
16 261 ????????????????
output:
-1
result:
ok correct
Test #50:
score: 0
Accepted
time: 28ms
memory: 13412kb
input:
17 514 ?????????????????
output:
-1
result:
ok correct
Test #51:
score: 0
Accepted
time: 52ms
memory: 17972kb
input:
18 678 ??????????????????
output:
-1
result:
ok correct
Test #52:
score: 0
Accepted
time: 32ms
memory: 12324kb
input:
19 40 ???????????????????
output:
NACAACCCCCCCCCCCCCE
result:
ok correct
Test #53:
score: 0
Accepted
time: 107ms
memory: 34076kb
input:
20 1019 ????????????????????
output:
-1
result:
ok correct
Test #54:
score: 0
Accepted
time: 148ms
memory: 46844kb
input:
21 1218 ?????????????????????
output:
-1
result:
ok correct
Test #55:
score: 0
Accepted
time: 220ms
memory: 63904kb
input:
22 1348 ??????????????????????
output:
-1
result:
ok correct
Test #56:
score: 0
Accepted
time: 311ms
memory: 86652kb
input:
23 476 ???????????????????????
output:
-1
result:
ok correct
Test #57:
score: 0
Accepted
time: 446ms
memory: 116144kb
input:
24 1445 ????????????????????????
output:
-1
result:
ok correct
Test #58:
score: 0
Accepted
time: 594ms
memory: 154132kb
input:
25 1331 ?????????????????????????
output:
-1
result:
ok correct
Test #59:
score: 0
Accepted
time: 806ms
memory: 201208kb
input:
26 459 ??????????????????????????
output:
NNNANAAAAAAAAAAAACCCCCCCCC
result:
ok correct
Test #60:
score: 0
Accepted
time: 1000ms
memory: 251728kb
input:
27 398 ???????????????????????????
output:
NNANAAAACAAAAAACCCCCCCCCCCC
result:
ok correct
Test #61:
score: -100
Time Limit Exceeded
input:
28 274 ????????????????????????????