QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #618755 | #7814. 消消乐 | crazy_monkey | 100 ✓ | 183ms | 29076kb | C++14 | 521b | 2024-10-07 09:53:31 | 2024-10-07 09:53:37 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
const int N=2e6+10;
int n;
char s[N];
int nxt[N];
long long dp[N];
int main()
{
memset(nxt,-1,sizeof nxt);
cin >> n;
cin >> s+1;
memset(dp,0,sizeof dp);
long long ans=0;
for(int i=2;i<=n;i++)
{
nxt[i]=i-1;
while(s[i]!=s[nxt[i]]&&nxt[i]>=0)nxt[i]=nxt[nxt[i]]-1;
if(nxt[i]<0)nxt[i]=-1;
}
for(int i=1;i<=n;i++)
{
if(nxt[i]-1>=0){
dp[i]=dp[nxt[i]-1]+1;
}
}
for(int i=1;i<=n;i++){
ans+=dp[i];
}
cout << ans;
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Pretests
Final Tests
Test #1:
score: 5
Accepted
time: 0ms
memory: 27316kb
input:
10 aaaaaaaaaa
output:
25
result:
ok single line: '25'
Test #2:
score: 5
Accepted
time: 0ms
memory: 26976kb
input:
10 ooooppuuhh
output:
16
result:
ok single line: '16'
Test #3:
score: 5
Accepted
time: 0ms
memory: 28236kb
input:
10 nnppkkppjj
output:
16
result:
ok single line: '16'
Test #4:
score: 5
Accepted
time: 0ms
memory: 28624kb
input:
10 vvcckkhhqq
output:
15
result:
ok single line: '15'
Test #5:
score: 5
Accepted
time: 0ms
memory: 27224kb
input:
10 llmmxxoopp
output:
15
result:
ok single line: '15'
Test #6:
score: 5
Accepted
time: 0ms
memory: 29040kb
input:
800 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjddzziiyyyyjjooppiivvppmmooppttnnbbmmaaqqvvkkllyyvvmmjjsswwxxccwweeeekkhhaakkvvffaaiieessmmiibbff...
output:
38306
result:
ok single line: '38306'
Test #7:
score: 5
Accepted
time: 0ms
memory: 27312kb
input:
800 pffpgppguqqugllgwhhwxjjxpkkpxnnxlkklunnuxiixallayqqyccccjnnjnyynqccqqjjqtuutboobwddwfwwfgvvgwuuwpqqppttpyggysrrsgwwgeddexbbxbssbvbbvbeebweewwkkwwddwnoontddtcddcajjapffptcctkeekboobfjjfvaavpjjpriirlfflnazdsevmozgezlngnhktrllcgorjoollwtqylmmzxfeibnifcebsnnugzluzlizievzxfnlokzodymigextlmyltzbmptyjf...
output:
27479
result:
ok single line: '27479'
Test #8:
score: 5
Accepted
time: 0ms
memory: 28036kb
input:
8000 vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv...
output:
3820477
result:
ok single line: '3820477'
Test #9:
score: 5
Accepted
time: 0ms
memory: 28944kb
input:
8000 neenbnnbvjjvddddommolrrlzttzqwwqlfflijjiaqqayaayihhiqmmqduudlzzlyzzyannatyytfiifbqqbroorcffcgjjgwhhwoqqopuupdjjdeqqewnnwvwwvpiiprqqrukkuhbbhsiisrqqrxvvxfmmfzkkzjlljimmiazzariirdvvdcuucpaapbaabbaabccccxqqxivvipttpqffqmggmzhhzdaadyxxyhccheddeaiianggnxjjxqssqfaafqllqskksfuufviivozzocwwcznnzfxxfnss...
output:
2713693
result:
ok single line: '2713693'
Test #10:
score: 5
Accepted
time: 0ms
memory: 28584kb
input:
8000 ivviurrukrrkaccafoofaxxaleelcyycsiisimmifvvfoeeodppdneenqjjqsccsguugonnoyiiymttmcjjcmkkmjwwjieeikeekdbbdolloyvvyolloxiixmaamfnnfzrrzqbbqweewvttvboobbeebcmmcsqqsiyyifddfyvvyvttvvddvejjeeeeeleellzzlzbbzcrrcobbowsswquuqozzoyqqyulluwvvwyxxyxllxwrrwgmmgeppecvvcsiisyvvyukkuyppyryyrhjjhthhtvssvvnnvnee...
output:
2721590
result:
ok single line: '2721590'
Test #11:
score: 5
Accepted
time: 0ms
memory: 28020kb
input:
200000 tdaatgfvypbdkxdlvttiuksoooxszoqnqvmtznizlqfstlenqrnmdpkmvhmzftporwzvlbpyplrvrkgrpvqxyjcwwpcinilarbaudodadcglszflkzvmmdahgqphqoueltddqlymwpvweslymviccsmhuezesmlwsswgznaofullpxciuezrbkxfnodiglhpyrfcjajyuqzfoxsysgeqrqmvtqysypgaivfetwhmgxngzdvavbkipanoopqftdmntwpxgaljiqrkppywfuspzfgljheckapftjqar...
output:
8356
result:
ok single line: '8356'
Test #12:
score: 5
Accepted
time: 0ms
memory: 28320kb
input:
200000 nleqrvpkpopfbstnolidsxrfhivbwbbqbwxmvymzmnwozrbklbuwliccquzhpfjsbxlnkzewvjpjarqmwcpsvovxeynjrgdjxrauincbnjvokawliinjqqulwxxeztpbrotihuiyjjqsxxosragocxbpjmhquczgwfakfaojxslteazikjqkebpcrrggswjiyetkpyvjubhtoounhveftykvetuwqgpddicnarbsigpjytmhcymvapbmkforkaeccsuhmwiuljmvajlztzjghnohlmxnmdehfxnra...
output:
8340
result:
ok single line: '8340'
Test #13:
score: 5
Accepted
time: 6ms
memory: 28200kb
input:
200000 abbabbbbbbaababaaabaaaababaaaaaabbababababbabbaaababbbbaabaabbbbbbababaabababbababaabbaabaaaabbbbbaabbbbaababbbabaaababbbbbbbbbbabbbabaabaabaababbbbbbabaabbbbbbbbbbaaabbbbabaabbaababaaabbabbaaabbbbbaaabababaababbaaabbbbababbbbbbaaaabaaaaaaabbbaabbaaaabbabbbbbaabbbbbbbabbaaaabaaabaabbaaaababbb...
output:
52315097
result:
ok single line: '52315097'
Test #14:
score: 5
Accepted
time: 5ms
memory: 28060kb
input:
200000 aaaababaaaaabbabababbbbabbbbababbabbaabaaabbabbaabaaaaaabaaaabbbbbbbabaabbabaabababbbaabbbbabbbbbaabaaaabaaaababaaaabbaaaaabbbabbbabbbbbbbaabbbabbaaabbbabaabaaaaaaaaababbaaabbbbaabaabbaaababbabbaabbbbaaababbbbbbbbbbbaabaaabbaaabaabbaaabbabaabbabbaabbbababbaaabaaaaaabbbbbbbabaabbabbaabaabaabaa...
output:
72221142
result:
ok single line: '72221142'
Test #15:
score: 5
Accepted
time: 10ms
memory: 27916kb
input:
200000 yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy...
output:
2395581278
result:
ok single line: '2395581278'
Test #16:
score: 5
Accepted
time: 10ms
memory: 27324kb
input:
200000 sssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss...
output:
2396621459
result:
ok single line: '2396621459'
Test #17:
score: 5
Accepted
time: 13ms
memory: 27300kb
input:
200000 ooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo...
output:
2395864064
result:
ok single line: '2395864064'
Test #18:
score: 5
Accepted
time: 183ms
memory: 28984kb
input:
2000000 iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii...
output:
239586659381
result:
ok single line: '239586659381'
Test #19:
score: 5
Accepted
time: 180ms
memory: 28988kb
input:
2000000 bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb...
output:
239687303822
result:
ok single line: '239687303822'
Test #20:
score: 5
Accepted
time: 180ms
memory: 29076kb
input:
2000000 vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv...
output:
239608981171
result:
ok single line: '239608981171'