QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#714702 | #9536. Athlete Welcome Ceremony | ucup-team1766 | WA | 11ms | 158884kb | C++20 | 3.1kb | 2024-11-06 03:18:44 | 2024-11-06 03:18:44 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
#define pb push_back
#define f first
#define s second
#define pll pair<ll, ll>
#define pii pair<int, int>
const int MOD = 1e9+7;
const int N = 300;
int dp[N+1][N+1][N+1][3];
int vals[N+1][N+1][N+1];
int pref[N+2][N+2][N+2];
int main(){
cin.tie(0), ios::sync_with_stdio(0);
int n, q;
cin >> n >> q;
string str;
cin >> str;
if(str[0] == 'a'){
dp[1][0][0][0] = 1;
}else if(str[0] == 'b'){
dp[1][0][0][1] = 1;
}
else if(str[0] == 'c'){
dp[1][0][0][2] = 1;
}else{
dp[1][1][0][0] = 1;
dp[1][0][1][1] = 1;
dp[1][0][0][2] = 1;
}
for(int i = 2; i <= n; i++){
char c = str[i-1];
for(int j = 0; j <= n; j++){
for(int k = 0; k <= n; k++){
if(c == 'a'){
dp[i][j][k][0] = (dp[i-1][j][k][1] + dp[i-1][j][k][2])%MOD;
}else if(c == 'b'){
dp[i][j][k][1] = (dp[i-1][j][k][0] + dp[i-1][j][k][2])%MOD;
}else if(c == 'c'){
dp[i][j][k][2] = (dp[i-1][j][k][0] + dp[i-1][j][k][1])%MOD;
}else{
if (j) dp[i][j][k][0] = (dp[i-1][j-1][k][1] + dp[i-1][j-1][k][2])%MOD;
if (k) dp[i][j][k][1] = (dp[i-1][j][k-1][0] + dp[i-1][j][k-1][2])%MOD;
dp[i][j][k][2] = (dp[i-1][j][k][0] + dp[i-1][j][k][1])%MOD;
}
}
}
}
int ques = count(str.begin(),str.end(),'?');
for (int a = 0; a <= n; a++) for (int b = 0; b <= n; b++) {
if (0 <= ques-a-b and ques-a-b <= n) vals[a][b][ques-a-b] = accumulate(dp[n][a][b], dp[n][a][b]+3, 0ll) % MOD;
}
/*
for (int i = 1; i <= n; i++) for (int j = 0; j <= n; j++) for (int k = 0; k <= n; k++) {
pref[i][j][k] = (pref[i][j][k] + pref[i-1][j][k]) % MOD;
}
for (int i = 0; i <= n; i++) for (int j = 1; j <= n; j++) for (int k = 0; k <= n; k++) {
pref[i][j][k] = (pref[i][j][k] + pref[i][j-1][k]) % MOD;
}
for (int i = 0; i <= n; i++) for (int j = 0; j <= n; j++) for (int k = 1; k <= n; k++) {
pref[i][j][k] = (pref[i][j][k] + pref[i][j][k-1]) % MOD;
}
*/
/*
for (int i = 0; i <= n; i++){
for (int j = 0; j <= n; j++){
for (int k = 0; k <= n; k++) {
cout << vals[i][j][k] << " ";
}
cout << "\n";
}
cout << "\n";
}
*/
for (int i = 1; i <= n+1; i++){
for (int j = 1; j <= n+1; j++){
for (int k = 1; k <= n+1; k++) {
ll val = (ll)vals[i-1][j-1][k-1] + pref[i-1][j][k] + pref[i][j-1][k] + pref[i][j][k-1] - pref[i-1][j-1][k] - pref[i-1][j][k-1] - pref[i][j-1][k-1] + pref[i-1][j-1][k-1];
pref[i][j][k] = val % MOD;
}
}
}
/*
for (int i = 0; i <= n; i++){
for (int j = 0; j <= n; j++){
for (int k = 0; k <= n; k++) {
cout << pref[i][j][k] << " ";
}
cout << "\n";
}
cout << "\n";
}
*/
while (q--) {
int x, y, z; cin >> x >> y >> z;
cout << pref[x+1][y+1][z+1] << '\n';
}
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 4ms
memory: 13804kb
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: 0ms
memory: 15900kb
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: 0ms
memory: 7624kb
input:
1 1 ? 0 1 1
output:
2
result:
ok single line: '2'
Test #4:
score: 0
Accepted
time: 0ms
memory: 16208kb
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: 0ms
memory: 18104kb
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: 64160kb
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: 76012kb
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: 11ms
memory: 129936kb
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: 4ms
memory: 158884kb
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 -856010171 -880338078 -292135540 10104 219100551 -520715304 -235781478 -96153776 -340305459 204287063 -894079505 191779504 182802705 -784561396 -61307689 797581204 903917420 -106004179 287222624 -421304178 95654849 -542189581 -290650212 85961844 -76669513 783007506 -888880289 295402274 241...
result:
wrong answer 2nd lines differ - expected: '143989836', found: '-856010171'