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 |
---|---|---|---|---|---|---|---|---|---|
#213850 | #2411. 三元组 | xuewentao | 0 | 7ms | 1264kb | C++11 | 1.1kb | 2024-11-13 21:57:06 | 2024-11-13 23:09:44 |
answer
#include<bits/stdc++.h>
#define LL long long
using namespace std;
const int mod = 998244353;
const int maxn = 1010;
const int B = 28;
int h[maxn];
int hr[maxn];
int p[maxn];
int n;
int calh(int l, int r) {
return (h[r] - (h[l-1] * p[r - l + 1] % mod) + mod ) % mod;
}
int calhr(int l, int r) {
return (hr[l] - (hr[r+1] * p[r - l + 1] % mod) + mod ) % mod;
}
bool check(int l, int r) {
return calh(l, r) == calhr(l, r);
}
void init() {
p[0] = 1;
for (int i = 1; i < maxn; i++) p[i] = (LL)p[i-1] * B % mod;
}
void cal(string s) {
n = s.size();
s = ' ' + s;
for (int i = 1; i <= n; i++) {
h[i] = ((LL)h[i-1] * B + s[i] - 'a' + 1) % mod;
}
for (int i = n; i >= 1; i--) {
hr[i] = ((LL)hr[i+1] * B + s[i] - 'a' + 1) % mod;
}
LL res = 0;
for (int l = 1; l <= n; l++) {
for (int m = l; m <= n; m++) {
for (int r = m+1; r <= n; r++) {
if (check(l, m) && check(m+1, r)) {
res = (res + (LL)l * r % mod) % mod;
}
}
}
}
cout << res << endl;
}
int main() {
init();
int T;
cin >> T;
while (T--) {
string s;
cin >> s;
cal(s);
}
}
详细
小提示:点击横条可展开更详细的信息
Test #1:
score: 0
Wrong Answer
time: 0ms
memory: 1260kb
input:
10 kyynjrttqngurtcvcjnnuqmstrntnpghrqqqp lqfnqzykyzzynqnqyywzzwwfnyzlwykznyfhyknfnk fuhjuhhuhuqjuuqu...
output:
0 0 0 6 0 0 0 0 0 12
result:
wrong answer 1st lines differ - expected: '27169', found: '0'
Test #2:
score: 0
Wrong Answer
time: 0ms
memory: 1256kb
input:
10 eedleeeldeededlllleldleeeleleddleellele kllrnnjqjniqqknjmlfcirjyrycfrkyqqjrky uksfueafjuarusziepe...
output:
0 12 0 2174 0 0 212 506 0 0
result:
wrong answer 1st lines differ - expected: '66808', found: '0'
Test #3:
score: 0
Wrong Answer
time: 7ms
memory: 1264kb
input:
10 aaqzqvvvvzaqvazzvqqzqzavaaavvqaqqqvaqavvavvaavzvqzavaqvzvaazavqavazzvqvqazzvzvqqaqaaqqazqaqqzzzza...
output:
15138 39386 77120 5012 66114 46522 34410 79266 17822 72690
result:
wrong answer 1st lines differ - expected: '6230886', found: '15138'
Test #4:
score: 0
Time Limit Exceeded
input:
10 bsppzzcusncccbbpgguszngssnzncsnzpppbpuuczgcbucpupcubbzubsncncpbgbuzungnznsnpncpbugzcpguungzgcnbng...
output:
1266152 2043648 897004 1772013 2250530 3023416 2906458 5495131
result:
Test #5:
score: 0
Time Limit Exceeded
input:
10 pzrpbfgjbnqhbpzohubzunqjnujfbfgazjqeaqhjgppqnogagegebuebhbeoeboouoojhbhaahjooggrozeephgqfrzrfrpjz...
output:
2426518 3101742 2742266 4681096 1799416 3254514
result:
Test #6:
score: 0
Time Limit Exceeded
input:
100000 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx...
output:
12670 0 1056 0 0 2 4160 210 5852 0 0 5700 14060 0 3802 0 6642 702 7250 0 13642 0 0 5066 12582 2294 1...
result:
Test #7:
score: 0
Time Limit Exceeded
input:
10000 iqtuiwnrdznudrwdznuwoyhzhhmiqytqhdqjuhihyuyrmwqurmdzdwiidomqrihqrjzyjwytjhznuwuhiojnhiduhytjir...
output:
2456902 6314262 3368562 5801456 3013956 4763344 2152954 659680
result:
Test #8:
score: 0
Runtime Error
input:
1000 sssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss...
output:
result:
Test #9:
score: 0
Runtime Error
input:
100 yuuxiorshssxoiyxrsxyyyuxsuyuhsruhxisoyiuuixhrsxuxyyxxosihhyisxxohoyiiurxhixrruryiihxhsxhxuhoroou...
output:
result:
Test #10:
score: 0
Runtime Error
input:
10 qvvvvqqgqgvvvgqvgqvqqwqgwqvqggvgqqqgqvwwggwwqqqqqwvwqggqvgqqvvvvvwqvqvvgvvqgvwqggwqqvvwwvvgwwwgqg...