QOJ.ac
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 |
---|---|---|---|---|---|---|---|---|---|
#771088 | #9536. Athlete Welcome Ceremony | wzl19371 | WA | 14ms | 45024kb | C++20 | 2.3kb | 2024-11-22 09:42:06 | 2024-11-22 09:42:07 |
Judging History
answer
#include <bits/stdc++.h>
#define endl '\n'
using namespace std;
typedef long long ll;
constexpr ll mod = 1e9+7;
constexpr int maxn = 305;
int n,q;
int f[maxn][3][maxn][maxn],f2[maxn][maxn][maxn],w[maxn][maxn][maxn];
string s;
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
cin >> n >> q;
cin >> s; s = ' ' + s;
if(s[1] == '?') {
f[1][0][1][0] = 1;
f[1][1][0][1] = 1;
f[1][2][0][0] = 1;
}else{
if(s[1] == 'a')
f[1][0][1][0] = 1;
else if(s[1] == 'b')
f[1][1][0][1] = 1;
else
f[1][2][0][0] = 1;
}
for(int i=2;i<=n;i++) {
for(int j=0;j<i;j++) {
for(int k=0;k<i;k++) {
// if(j+k+1>i) continue;
if((s[i] == 'a' || s[i] == '?')) {
f[i][0][j+1][k] += (f[i-1][1][j][k] + f[i-1][2][j][k]) % mod;
f[i][0][j+1][k] %= mod;
}
if((s[i] == 'b' || s[i] == '?')) {
f[i][1][j][k+1] += (f[i-1][0][j][k] + f[i-1][2][j][k]) % mod;
f[i][1][j][k+1] %= mod;
}
if((s[i] == 'c' || s[i] == '?')) {
f[i][2][j][k] += (f[i-1][0][j][k] + f[i-1][1][j][k]) % mod;
f[i][2][j][k] %= mod;
}
}
}
}
for(int i=0;i<=n;i++) {
for(int j=0;j<=n;j++) {
if(n-i-j<0) continue;
for(int l=0;l<=2;l++) {
f2[i][j][n-i-j] += f[n][l][i][j];
f2[i][j][n-i-j] %= mod;
}
}
}
for(int i=1;i<=n+1;i++) {
for(int j=1;j<=n+1;j++) {
for(int k=1;k<=n+1;k++) {
w[i][j][k] = ((ll)w[i-1][j][k] + (ll)w[i][j-1][k] + (ll)w[i][j][k-1] - (ll)w[i-1][j-1][k] - (ll)w[i-1][j][k-1]
- (ll)w[i][j-1][k-1] + (ll)w[i-1][j-1][k-1] + (ll)f2[i-1][j-1][k-1]) % mod;
}
}
}
int a=0,b=0,c=0;
for(int i=1;i<=n;i++) {
if(s[i] == 'a') a++;
else if(s[i] == 'b') b++;
else if(s[i] == 'c') c++;
}
for(int i=1;i<=q;i++) {
int x, y, z; cin >> x >> y >> z;
cout << w[min(n+1,x+1+a)][min(n+1,y+1+b)][min(n+1,z+1+c)] << endl;
}
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 1ms
memory: 5856kb
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: 6160kb
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: 5572kb
input:
1 1 ? 0 1 1
output:
2
result:
ok single line: '2'
Test #4:
score: 0
Accepted
time: 1ms
memory: 6016kb
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: 1ms
memory: 6048kb
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: 0ms
memory: 14872kb
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: 14480kb
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: 10ms
memory: 37264kb
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: 14ms
memory: 45024kb
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'