QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#785601 | #9536. Athlete Welcome Ceremony | Magical_Kingdom | WA | 373ms | 395180kb | C++17 | 5.0kb | 2024-11-26 18:28:45 | 2024-11-26 18:28:45 |
Judging History
answer
#include <bits/stdc++.h>
#define ll long long
using namespace std;
const int mod = 1e9 + 7;
const int maxn = 305;
int n, q;
ll dp[3][maxn][maxn][maxn];
int a[maxn];
int idx[maxn], cnt;
ll d[maxn][maxn][maxn];
ll sum[maxn][maxn][maxn];
bool check(int pos, int x) {
pos = idx[pos];
if (a[pos - 1] != x && a[pos + 1] != x) {
return true;
}
return false;
}
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
cin >> n >> q;
string s;
cin >> s;
s = " " + s;
a[n + 1] = 9150;
a[0] = 9150;
for (int i = 1; i <= n; i++) {
if (s[i] == 'a')
a[i] = 0;
else if (s[i] == 'b')
a[i] = 1;
else if (s[i] == 'c')
a[i] = 2;
else {
a[i] = -8;
idx[++cnt] = i;
}
}
for (int i = 0; i <= cnt; i++) {
for (int j = 0; i + j <= cnt; j++) {
for (int k = 0; i + j + k <= cnt; k++) {
if (i == 0 && j == 0 && k == 0) {
continue;
}
int pos = i + j + k;
if (pos == 1) {
if (i == 1 && check(1, 0))
dp[0][i][j][k] = 1;
if (j == 1 && check(1, 1))
dp[1][i][j][k] = 1;
if (k == 1 && check(1, 2))
dp[2][i][j][k] = 1;
} else {
if (a[idx[pos] - 1] < 0) {
//?
if (i >= 1 && check(pos, 0)) {
dp[0][i][j][k] = (dp[1][i - 1][j][k] + dp[2][i - 1][j][k]) % mod;
dp[0][i][j][k] %= mod;
}
if (j >= 1 && check(pos, 1)) {
dp[1][i][j][k] = (dp[0][i][j - 1][k] + dp[2][i][j - 1][k]) % mod;
dp[1][i][j][k] %= mod;
}
if (k >= 1 && check(pos, 2)) {
dp[2][i][j][k] = (dp[0][i][j][k - 1] + dp[1][i][j][k - 1]) % mod;
dp[2][i][j][k] %= mod;
}
} else {
if (i >= 1 && check(pos, 0)) {
dp[0][i][j][k] = (dp[0][i - 1][j][k] + dp[1][i - 1][j][k] + dp[2][i - 1][j][k]) % mod;
dp[0][i][j][k] %= mod;
}
if (j >= 1 && check(pos, 1)) {
dp[1][i][j][k] = (dp[0][i][j - 1][k] + dp[1][i][j - 1][k] + dp[2][i][j - 1][k]) % mod;
dp[1][i][j][k] %= mod;
}
if (k >= 1 && check(pos, 2)) {
dp[2][i][j][k] = (dp[0][i][j][k - 1] + dp[1][i][j][k - 1] + dp[2][i][j][k - 1]) % mod;
dp[2][i][j][k] %= mod;
}
}
}
}
}
}
// for (int i = 1; i <= cnt; i++) {
// cerr << "i=" << i << endl;
// for (int j = 1; j <= cnt; j++) {
// for (int k = 1; k <= cnt; k++) {
// for (int p = 0; p <= 2; p++) {
// cerr << dp[p][i][j][k] << '/';
// }
// cerr << ' ';
// }
// cerr << '\n';
// }
// }
for (int i = 0; i <= cnt; i++) {
for (int j = 0; i + j <= cnt; j++) {
int k = cnt - i - j;
d[i][j][k] += (dp[0][i][j][k] + dp[1][i][j][k] + dp[2][i][j][k]) % mod;
d[i][j][k] %= mod;
}
}
for (int i = 0; i <= 300; i++) {
for (int j = 0; j <= 300; j++) {
for (int k = 0; k <= 300; k++) {
sum[i][j][k] = d[i][j][k] % mod;
if (i - 1 >= 0) {
(sum[i][j][k] += sum[i - 1][j][k]) % mod;
}
if (j - 1 >= 0) {
(sum[i][j][k] += sum[i][j - 1][k]) % mod;
}
if (k - 1 >= 0) {
(sum[i][j][k] += sum[i][j][k - 1]) % mod;
}
if (i - 1 >= 0 && j - 1 >= 0) {
sum[i][j][k] = (sum[i][j][k] - sum[i - 1][j - 1][k] + mod) % mod;
}
if (i - 1 >= 0 && k - 1 >= 0) {
sum[i][j][k] = (sum[i][j][k] - sum[i - 1][j][k - 1] + mod) % mod;
}
if (j - 1 >= 0 && k - 1 >= 0) {
sum[i][j][k] = (sum[i][j][k] - sum[i][j - 1][k - 1] + mod) % mod;
}
if (i - 1 >= 0 && j - 1 >= 0 && k - 1 >= 0) {
(sum[i][j][k] += sum[i - 1][j - 1][k - 1]) % mod;
}
}
}
}
while (q--) {
int x, y, z;
cin >> x >> y >> z;
cout << sum[x][y][z] << '\n';
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 373ms
memory: 230388kb
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: 358ms
memory: 234632kb
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: 363ms
memory: 228212kb
input:
1 1 ? 0 1 1
output:
2
result:
ok single line: '2'
Test #4:
score: 0
Accepted
time: 368ms
memory: 226112kb
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: 352ms
memory: 230220kb
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: 367ms
memory: 228232kb
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: 361ms
memory: 255388kb
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: 368ms
memory: 228284kb
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: 358ms
memory: 395180kb
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 1143989843 1119661936 4707864495 10104 1219100558 479284703 764218529 1903846238 659694548 1204287070 105920502 2191779518 182802705 1215438618 4938692346 1797581211 1903917427 -4106004207 1287222631 578695829 4095654877 1457810433 1709349802 2085961858 -76669513 -1216992508 1111119725 129...
result:
wrong answer 2nd lines differ - expected: '143989836', found: '1143989843'