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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 |
---|---|---|---|---|---|---|---|---|---|
#737695 | #9536. Athlete Welcome Ceremony | guanghere | WA | 12ms | 104028kb | C++23 | 3.2kb | 2024-11-12 16:38:08 | 2024-11-12 16:38:09 |
Judging History
answer
//
// Created by 24087 on 24-11-12.
//
#include <iostream>
#include <string>
#define int long long
constexpr int mod = 1e9 + 7;
int dp[305][305][305][3] = {0}; // i, a, b, color
int sum[305][305][305] = {0};
signed main() {
int n, q;
std::cin >> n >> q;
std::string str;
std::cin >> str;
int num_a = 0, num_b = 0, num_c = 0;
for (char ch : str) {
if (ch == 'a') {
num_a++;
} else if (ch == 'b') {
num_b++;
} else if (ch == 'c') {
num_c++;
}
}
if (str[0] == '?' || str[0] == 'a') {
dp[1][1][0][0] = 1;
}
if (str[0] == '?' || str[0] == 'b') {
dp[1][0][1][1] = 1;
}
if (str[0] == '?' || str[0] == 'c') {
dp[1][0][0][2] = 1;
}
for (int i = 2; i <= n; i++) {
for (int a = 0; a <= i; a++) {
for (int b = 0; a + b <= i; b++) {
int c = i - a - b;
if (a > 0 && (str[i - 1] == '?' || str[i - 1] == 'a')) {
dp[i][a][b][0] = static_cast<int>(1ll * dp[i][a][b][0] +
dp[i - 1][a - 1][b][1] +
dp[i - 1][a - 1][b][2]) %
mod;
}
if (b > 0 && (str[i - 1] == '?' || str[i - 1] == 'b')) {
dp[i][a][b][1] = static_cast<int>(1ll * dp[i][a][b][1] +
dp[i - 1][a][b - 1][0] +
dp[i - 1][a][b - 1][2]) %
mod;
}
if (c > 0 && (str[i - 1] == '?' || str[i - 1] == 'c')) {
dp[i][a][b][2] = static_cast<int>(1ll * dp[i][a][b][2] +
dp[i - 1][a][b][0] +
dp[i - 1][a][b][1]) %
mod;
}
}
}
}
for (int i = 1; i <= n + 1; i++) {
for (int j = 1; j <= n + 1; j++) {
int k = n + 3 - i - j;
sum[i][j][k] += static_cast<int>(1ll * dp[n][i - 1][j - 1][0] +
dp[n][i - 1][j - 1][1] +
dp[n][i - 1][j - 1][2]);
}
}
for (int i = 1; i <= n + 1; i++) {
for (int j = 1; j <= n + 1; j++) {
for (int k = 1; k <= n + 1; k++) {
sum[i][j][k] +=
static_cast<int>(1ll * sum[i - 1][j][k] + sum[i][j - 1][k] +
sum[i][j][k - 1] - sum[i - 1][j - 1][k] -
sum[i - 1][j][k - 1] -
sum[i][j - 1][k - 1] +
sum[i - 1][j - 1][k - 1]) %
mod;
}
}
}
for (int i = 0; i < q; i++) {
int a, b, c;
std::cin >> a >> b >> c;
std::cout << sum[std::min(a + num_a, n) + 1][std::min(b + num_b, n) + 1]
[std::min(c + num_c, n) + 1]
<< '\n';
}
}
详细
Test #1:
score: 100
Accepted
time: 1ms
memory: 9792kb
input:
6 3 a?b??c 2 2 2 1 1 1 1 0 2
output:
3 1 1
result:
ok 3 lines
Test #2:
score: 0
Accepted
time: 1ms
memory: 9864kb
input:
6 3 ?????? 2 2 2 2 3 3 3 3 3
output:
30 72 96
result:
ok 3 lines
Test #3:
score: 0
Accepted
time: 1ms
memory: 7708kb
input:
1 1 ? 0 1 1
output:
2
result:
ok single line: '2'
Test #4:
score: 0
Accepted
time: 0ms
memory: 14052kb
input:
10 10 acab?cbaca 0 2 0 1 1 2 4 2 3 1 1 1 3 5 1 0 5 2 2 2 0 1 2 5 4 3 0 1 1 3
output:
0 1 1 1 1 0 1 1 1 1
result:
ok 10 lines
Test #5:
score: 0
Accepted
time: 2ms
memory: 14000kb
input:
10 10 ?c?c?cbac? 10 5 1 5 8 7 9 2 6 5 7 1 5 2 6 5 6 5 5 10 3 9 1 10 2 5 9 1 2 9
output:
16 16 11 16 11 16 16 5 11 0
result:
ok 10 lines
Test #6:
score: 0
Accepted
time: 3ms
memory: 48444kb
input:
50 100 ?abacbacab?cbcbcb?acabcbabcbcacbababc?caba?acacbca 8 3 8 2 4 8 8 7 3 0 9 2 10 8 7 7 6 5 4 10 2 6 9 3 3 6 6 9 10 8 2 5 8 8 1 0 3 5 0 1 0 6 5 0 8 6 5 5 1 7 9 7 7 10 4 7 5 6 6 4 10 1 2 4 1 7 10 0 8 7 6 3 1 9 1 4 7 2 8 4 0 8 6 1 5 10 4 5 8 2 5 8 4 4 5 9 5 2 1 1 10 9 4 10 1 8 4 3 8 9 9 8 0 1 0 8 0...
output:
8 8 8 0 8 8 6 8 8 8 8 0 0 0 1 8 4 8 8 8 2 4 1 8 1 6 0 2 8 6 8 8 1 4 2 8 8 0 0 8 2 0 8 8 8 4 8 8 8 8 2 0 0 4 8 8 1 8 7 6 7 0 8 8 8 0 4 7 8 4 0 8 0 4 8 8 8 7 8 4 7 2 8 8 8 0 2 2 8 8 8 4 4 0 8 0 8 8 1 1
result:
ok 100 lines
Test #7:
score: 0
Accepted
time: 0ms
memory: 48536kb
input:
50 100 b????????bca?????c?b??ca?acac?b?b???ca?ab???a?a??? 35 43 36 12 49 47 7 11 34 38 44 22 42 17 10 49 8 38 18 26 44 6 18 14 28 29 6 48 32 47 29 15 48 1 5 33 24 17 18 10 27 32 19 10 34 2 23 9 14 24 39 46 12 34 9 49 26 21 8 46 43 43 3 31 16 2 8 27 7 24 41 35 17 25 31 0 13 47 24 31 23 33 40 30 36 39...
output:
34272000 31599360 497244 34272000 17637520 12290752 34272000 93044 415832 34272000 34272000 0 34272000 16360704 27933952 0 34272000 33886976 7896832 12290752 718 24 0 34272000 34272000 0 34272000 34272000 34272000 32254720 0 5666944 34256640 34272000 34272000 12290752 30493248 34256640 20630016 0 10...
result:
ok 100 lines
Test #8:
score: 0
Accepted
time: 8ms
memory: 103500kb
input:
100 1000 c?cbababcabacbacbacacbacabcbabababacababcbcab?cbabacbacbcbcacbab?bcabcbcababcacbabacbcb?babcbab?baca 13 11 4 4 17 20 14 5 2 16 14 15 8 12 17 19 5 11 5 17 12 20 7 6 19 10 1 6 5 0 13 1 9 7 17 1 20 4 16 11 12 18 19 2 16 18 1 11 19 16 3 7 1 0 6 9 16 6 9 16 6 20 7 0 16 20 1 2 8 16 5 20 18 14 18 ...
output:
16 15 14 16 16 16 16 16 8 2 16 8 16 16 16 16 16 2 16 16 16 0 1 16 16 5 1 5 16 16 16 16 16 15 16 13 16 15 2 16 16 1 8 16 16 16 15 0 16 15 16 16 16 16 8 8 16 16 16 16 16 16 8 16 16 1 8 8 16 16 1 16 1 0 16 2 2 16 7 16 16 8 16 16 16 16 1 16 14 16 16 16 16 5 16 16 14 16 11 16 15 11 2 1 8 16 16 7 16 5 16 ...
result:
ok 1000 lines
Test #9:
score: -100
Wrong Answer
time: 12ms
memory: 104028kb
input:
100 1000 ?????c??????????????????????????b???a????a?????????????????????????c???????????????????????????????? 43 38 20 27 40 32 39 27 33 28 50 43 50 3 46 38 46 14 42 48 10 45 25 28 49 10 49 38 17 42 41 49 22 41 18 44 46 47 25 17 44 35 34 43 22 47 42 32 32 44 40 36 41 24 45 38 45 49 44 18 42 34 32 43...
output:
490475656 143989836 119661929 -292135540 10104 219100551 479284703 -235781478 -96153776 -340305459 204287063 -894079505 191779504 182802705 215438611 938692318 -202418803 -96082587 893995828 287222624 -421304178 95654849 457810426 709349795 -914038163 923330494 783007506 -888880289 295402274 -758405...
result:
wrong answer 4th lines differ - expected: '707864467', found: '-292135540'