| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 337000 |
2020-12-17T19:53:35 Z |
zggf |
JJOOII 2 (JOI20_ho_t2) |
C++14 |
|
6 ms |
3308 KB |
#include <bits/stdc++.h>
using namespace std;
string s;
vector<int> nxt1, nxt2, nxt3;
int sum = 0, wyn = 0;
int p1 = 0, p2 = 0, p3 = 0;
int k1 = 0, k2 = 0, k3 = 0;
bool pos = true;
void push3(){
p3 = nxt3[p3];
k3 = nxt3[k3];
if(p3==-1){
pos = false;
}
}
void push2(){
p2 = nxt2[p2];
k2 = nxt2[k2];
if(p2==-1){
pos = false;
}
}
void push1(){
p1 = nxt1[p1];
k1 = nxt1[k1];
if(p1==-1){
pos = false;
}
}
int main(){
ios_base::sync_with_stdio(0); cin.tie(nullptr); cout.tie(nullptr);
int n, k; cin>>n>>k;
nxt1.resize(n, -1);
nxt2.resize(n, -1);
nxt3.resize(n, -1);
cin>>s;
for(int i = n-1; i > 0; i--){
nxt1[i-1] = nxt1[i];
nxt2[i-1] = nxt2[i];
nxt3[i-1] = nxt3[i];
switch(s[i]){
case 'J':
nxt1[i-1] = i;
break;
case 'O':
nxt2[i-1] = i;
break;
case 'I':
nxt3[i-1] = i;
break;
}
}
p1 = nxt1[0];
p2 = nxt2[0];
p3 = nxt3[0];
k1 = nxt1[0];
k2 = nxt2[0];
k3 = nxt3[0];
switch(s[0]){
case 'J':
p1 = 0;
k1= 0;
break;
case 'O':
p2 = 0;
k2= 0;
break;
case 'I':
p3 = 0;
k3= 0;
break;
}
for(int i = 0; i < k-1; i++){
p1 = nxt1[p1];
p2 = nxt2[p2];
p3 = nxt3[p3];
if(p1==-1) {cout<<-1; return 0;}
if(p2==-1) {cout<<-1; return 0;}
if(p3==-1) {cout<<-1; return 0;}
}
while(p1>k2){
push2();
if(!pos) {cout<<-1; return 0;}
}
while(p2>k3){
push3();
if(!pos) {cout<<-1; return 0;}
}
int wyn = p3-k1;
while(pos){
push1();
while(p1>k2){
push2();
if(!pos) {break;}
}
while(p2>k3){
push3();
if(!pos) {break;}
}
if(pos) wyn = min(wyn, p3-k1);
}
cout<<wyn+1-3*k;
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
364 KB |
Output is correct |
| 2 |
Correct |
1 ms |
492 KB |
Output is correct |
| 3 |
Correct |
1 ms |
364 KB |
Output is correct |
| 4 |
Correct |
1 ms |
364 KB |
Output is correct |
| 5 |
Correct |
1 ms |
364 KB |
Output is correct |
| 6 |
Correct |
1 ms |
364 KB |
Output is correct |
| 7 |
Correct |
1 ms |
364 KB |
Output is correct |
| 8 |
Correct |
1 ms |
364 KB |
Output is correct |
| 9 |
Correct |
1 ms |
364 KB |
Output is correct |
| 10 |
Correct |
1 ms |
492 KB |
Output is correct |
| 11 |
Correct |
1 ms |
364 KB |
Output is correct |
| 12 |
Correct |
1 ms |
492 KB |
Output is correct |
| 13 |
Correct |
1 ms |
364 KB |
Output is correct |
| 14 |
Correct |
1 ms |
364 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
364 KB |
Output is correct |
| 2 |
Correct |
1 ms |
492 KB |
Output is correct |
| 3 |
Correct |
1 ms |
364 KB |
Output is correct |
| 4 |
Correct |
1 ms |
364 KB |
Output is correct |
| 5 |
Correct |
1 ms |
364 KB |
Output is correct |
| 6 |
Correct |
1 ms |
364 KB |
Output is correct |
| 7 |
Correct |
1 ms |
364 KB |
Output is correct |
| 8 |
Correct |
1 ms |
364 KB |
Output is correct |
| 9 |
Correct |
1 ms |
364 KB |
Output is correct |
| 10 |
Correct |
1 ms |
492 KB |
Output is correct |
| 11 |
Correct |
1 ms |
364 KB |
Output is correct |
| 12 |
Correct |
1 ms |
492 KB |
Output is correct |
| 13 |
Correct |
1 ms |
364 KB |
Output is correct |
| 14 |
Correct |
1 ms |
364 KB |
Output is correct |
| 15 |
Correct |
1 ms |
364 KB |
Output is correct |
| 16 |
Correct |
1 ms |
364 KB |
Output is correct |
| 17 |
Correct |
1 ms |
364 KB |
Output is correct |
| 18 |
Correct |
1 ms |
364 KB |
Output is correct |
| 19 |
Correct |
1 ms |
364 KB |
Output is correct |
| 20 |
Correct |
1 ms |
364 KB |
Output is correct |
| 21 |
Correct |
1 ms |
364 KB |
Output is correct |
| 22 |
Correct |
1 ms |
492 KB |
Output is correct |
| 23 |
Correct |
1 ms |
364 KB |
Output is correct |
| 24 |
Correct |
1 ms |
364 KB |
Output is correct |
| 25 |
Correct |
1 ms |
364 KB |
Output is correct |
| 26 |
Correct |
1 ms |
364 KB |
Output is correct |
| 27 |
Correct |
1 ms |
364 KB |
Output is correct |
| 28 |
Correct |
1 ms |
364 KB |
Output is correct |
| 29 |
Correct |
1 ms |
384 KB |
Output is correct |
| 30 |
Correct |
1 ms |
364 KB |
Output is correct |
| 31 |
Correct |
1 ms |
364 KB |
Output is correct |
| 32 |
Correct |
1 ms |
364 KB |
Output is correct |
| 33 |
Correct |
1 ms |
364 KB |
Output is correct |
| 34 |
Correct |
1 ms |
364 KB |
Output is correct |
| 35 |
Correct |
1 ms |
364 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
364 KB |
Output is correct |
| 2 |
Correct |
1 ms |
492 KB |
Output is correct |
| 3 |
Correct |
1 ms |
364 KB |
Output is correct |
| 4 |
Correct |
1 ms |
364 KB |
Output is correct |
| 5 |
Correct |
1 ms |
364 KB |
Output is correct |
| 6 |
Correct |
1 ms |
364 KB |
Output is correct |
| 7 |
Correct |
1 ms |
364 KB |
Output is correct |
| 8 |
Correct |
1 ms |
364 KB |
Output is correct |
| 9 |
Correct |
1 ms |
364 KB |
Output is correct |
| 10 |
Correct |
1 ms |
492 KB |
Output is correct |
| 11 |
Correct |
1 ms |
364 KB |
Output is correct |
| 12 |
Correct |
1 ms |
492 KB |
Output is correct |
| 13 |
Correct |
1 ms |
364 KB |
Output is correct |
| 14 |
Correct |
1 ms |
364 KB |
Output is correct |
| 15 |
Correct |
1 ms |
364 KB |
Output is correct |
| 16 |
Correct |
1 ms |
364 KB |
Output is correct |
| 17 |
Correct |
1 ms |
364 KB |
Output is correct |
| 18 |
Correct |
1 ms |
364 KB |
Output is correct |
| 19 |
Correct |
1 ms |
364 KB |
Output is correct |
| 20 |
Correct |
1 ms |
364 KB |
Output is correct |
| 21 |
Correct |
1 ms |
364 KB |
Output is correct |
| 22 |
Correct |
1 ms |
492 KB |
Output is correct |
| 23 |
Correct |
1 ms |
364 KB |
Output is correct |
| 24 |
Correct |
1 ms |
364 KB |
Output is correct |
| 25 |
Correct |
1 ms |
364 KB |
Output is correct |
| 26 |
Correct |
1 ms |
364 KB |
Output is correct |
| 27 |
Correct |
1 ms |
364 KB |
Output is correct |
| 28 |
Correct |
1 ms |
364 KB |
Output is correct |
| 29 |
Correct |
1 ms |
384 KB |
Output is correct |
| 30 |
Correct |
1 ms |
364 KB |
Output is correct |
| 31 |
Correct |
1 ms |
364 KB |
Output is correct |
| 32 |
Correct |
1 ms |
364 KB |
Output is correct |
| 33 |
Correct |
1 ms |
364 KB |
Output is correct |
| 34 |
Correct |
1 ms |
364 KB |
Output is correct |
| 35 |
Correct |
1 ms |
364 KB |
Output is correct |
| 36 |
Correct |
6 ms |
3064 KB |
Output is correct |
| 37 |
Correct |
6 ms |
3308 KB |
Output is correct |
| 38 |
Correct |
6 ms |
3308 KB |
Output is correct |
| 39 |
Correct |
6 ms |
3192 KB |
Output is correct |
| 40 |
Correct |
5 ms |
3308 KB |
Output is correct |
| 41 |
Correct |
5 ms |
3308 KB |
Output is correct |
| 42 |
Correct |
6 ms |
3308 KB |
Output is correct |
| 43 |
Correct |
4 ms |
2348 KB |
Output is correct |
| 44 |
Correct |
4 ms |
2668 KB |
Output is correct |
| 45 |
Correct |
5 ms |
3308 KB |
Output is correct |
| 46 |
Correct |
5 ms |
3308 KB |
Output is correct |
| 47 |
Correct |
5 ms |
3308 KB |
Output is correct |
| 48 |
Correct |
5 ms |
3308 KB |
Output is correct |
| 49 |
Correct |
5 ms |
2412 KB |
Output is correct |
| 50 |
Correct |
5 ms |
3308 KB |
Output is correct |
| 51 |
Correct |
5 ms |
3308 KB |
Output is correct |
| 52 |
Correct |
4 ms |
3180 KB |
Output is correct |
| 53 |
Correct |
5 ms |
3308 KB |
Output is correct |
| 54 |
Correct |
4 ms |
3308 KB |
Output is correct |
| 55 |
Correct |
4 ms |
3308 KB |
Output is correct |
| 56 |
Correct |
4 ms |
3308 KB |
Output is correct |
