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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#701470 | #9536. Athlete Welcome Ceremony | ucup-team4938# | WA | 171ms | 250596kb | C++14 | 2.5kb | 2024-11-02 14:14:33 | 2024-11-02 14:14:34 |
Judging History
answer
#include<bits/stdc++.h>
#define int long long
#define mod 1000000007ll
#define pii pair<int,int>
#define fi first
#define se second
#define mems(x,y) memset(x,y,sizeof(x))
#define pb push_back
#define db double
using namespace std;
const int maxn=310;
const int inf=1e18;
inline int read(){
int x=0,f=1;
char ch=getchar();
while(ch<'0'||ch>'9'){if(ch=='-')f=-1;ch=getchar();}
while(ch>='0'&&ch<='9'){x=(x<<3)+(x<<1)+(ch-48);ch=getchar();}
return x*f;
}
bool Mbe;
int n,q;
int dp[maxn][maxn][maxn][3],f[maxn][maxn][maxn];
char s[maxn];
void inc(int &u,int v){((u+=v)>=mod)&&(u-=mod);}
void work(){
n=read();q=read();
scanf("%s",s+1);
int na=0,nb=0,nc=0;
for(int i=1;i<=n;i++)na+=s[i]=='a';
for(int i=1;i<=n;i++)nb+=s[i]=='b';
for(int i=1;i<=n;i++)nc+=s[i]=='c';
dp[0][0][0][0]=1;
for(int i=0;i<n;i++){
for(int j=0;i+j<n;j++){
for(int k=0;i+j+k<n;k++){
for(int op=0;op<3;op++)if(dp[i][j][k][op]){
// cout<<i<<" "<<j<<" "<<k<<" "<<op<<" "<<dp[i][j][k][op]<<"\n";
int id=i+j+k+1;
if(s[id]=='a'||s[id]=='?'){
if(id==1||op!=0){
inc(dp[i+1][j][k][0],dp[i][j][k][op]);
}
}
if(s[id]=='b'||s[id]=='?'){
if(id==1||op!=1){
inc(dp[i][j+1][k][1],dp[i][j][k][op]);
}
}
if(s[id]=='c'||s[id]=='?'){
if(id==1||op!=2){
inc(dp[i][j][k+1][2],dp[i][j][k][op]);
}
}
}
}
}
}
for(int i=0;i<=n;i++){
for(int j=0;j<=n;j++){
int k=n-i-j;
f[i][j][k]=(dp[i][j][k][0]+dp[i][j][k][1]+dp[i][j][k][2])%mod;
// if(f[i][j][k])cout<<i<<" "<<j<<" "<<k<<" "<<f[i][j][k]<<"\n";
}
}
for(int i=0;i<=n;i++){
for(int j=0;j<=n;j++){
for(int k=n-i-j;k<=n;k++){
inc(f[i][j][k+1],f[i][j][k]);
}
}
}
for(int i=0;i<=n;i++){
for(int j=0;j<=n;j++){
for(int k=n-i-j;k<=n;k++){
inc(f[i][j+1][k],f[i][j][k]);
}
}
}
for(int i=0;i<=n;i++){
for(int j=0;j<=n;j++){
for(int k=n-i-j;k<=n;k++){
inc(f[i+1][j][k],f[i][j][k]);
}
}
}
while(q--){
int u=min(n,read()+na),v=min(n,read()+nb),w=min(n,read()+nc);
// int ans=0;
// for(int i=0;i<=u;i++){
// for(int j=0;j<=v;j++){
// for(int k=0;k<=w;k++)inc(ans,f[i][j][k]);
// }
// }
// printf("%lld\n",ans);
printf("%lld\n",f[u][v][w]);
}
}
// \
444
bool Med;
int T;
signed main(){
// freopen(".in","r",stdin);
// freopen(".out","w",stdout);
// ios::sync_with_stdio(0);
// cin.tie(0);cout.tie(0);
// cerr<<(&Mbe-&Med)/1048576.0<<" MB\n";
T=1;
while(T--)work();
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 1ms
memory: 10052kb
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: 12184kb
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: 5876kb
input:
1 1 ? 0 1 1
output:
2
result:
ok single line: '2'
Test #4:
score: 0
Accepted
time: 2ms
memory: 14120kb
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: 14156kb
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: 45272kb
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: 4ms
memory: 44376kb
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: 4ms
memory: 82912kb
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: 0
Accepted
time: 8ms
memory: 92344kb
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 707864467 10104 219100551 479284703 764218529 903846231 659694548 204287063 105920502 191779504 182802705 215438611 938692318 797581204 903917420 893995828 287222624 578695829 95654849 457810426 709349795 85961844 923330494 783007506 111119718 295402274 241594071 551680...
result:
ok 1000 lines
Test #10:
score: 0
Accepted
time: 8ms
memory: 84268kb
input:
100 1000 c???cacacbcab?cb?acb???ac?bab?bcbcbc?c?bcbcaba??b?ba?c?aca?a?bac?cbcbcba??ca?b????ac?baba?ab?cba?c?c 99 70 32 52 98 84 12 78 77 84 8 87 16 36 0 48 70 100 25 4 15 95 54 35 33 35 90 20 4 69 6 11 76 27 96 48 16 24 18 99 48 1 43 54 35 9 81 75 27 58 52 50 94 14 29 67 27 59 68 53 42 31 46 12 90 2...
output:
380160 380160 226896 64156 0 380160 92 380160 380160 92 0 380160 379648 0 380160 22500 380160 380160 380160 380160 380160 226896 380160 380160 226896 0 380160 380160 380160 380160 152672 380160 5624 226896 380160 380160 379648 0 380160 380160 366848 380160 226896 380160 92 374912 5624 380160 380160 ...
result:
ok 1000 lines
Test #11:
score: 0
Accepted
time: 147ms
memory: 234636kb
input:
300 100000 abcacacbabacbcababcacacb?babacbcbacbcababcbcbabcacbcbacacabacacacbacbcbcacbabacbcbcbabcacbababcabcabcabababacbcacbacabcbacbacacacbababababacbcababcbcacacbcbabacabcabababcabacbcbcbabcabacbabacacbcbcacacacbcabcbabcbcabababababcacabcabababcbcbcbcbcabacbabacbabcacbcababacacbcbababababcacacaba...
output:
1 2 2 2 2 1 2 2 2 2 1 1 2 2 2 2 2 2 2 2 2 1 2 2 2 2 2 2 2 2 2 2 2 1 1 2 2 2 1 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 1 2 2 2 2 2 2 2 2 2 2 0 2 2 2 2 2 1 2 2 2 2 2 2 2 2 2 2 1 2 2 1 2 2 2 2 1 2 2 1 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 1 2 2 1 2 2 2 2 2 2 2 2 2 2 2 2 1 2 2 2 2 2 2 2 2 2 2 2 2 2 ...
result:
ok 100000 lines
Test #12:
score: 0
Accepted
time: 171ms
memory: 233668kb
input:
300 100000 bcacbacacabacacbacacbabcabcacabcabcbcaba?cacbabcbacbabcbacacabacabcbacabcacacbcbabcbcabcabacbacbacabacabababcbcbcbabcbacbacabcacacabacbcbababcbcabacbabcbabacabcbabcbababababcbcbabacbacacbcabcabcbcbcbcabacabacacacbcbacabacbabca?acacbcacacbcbabacbcbcabca?babcacbc?acbacabacbcbcbcbacabababacb...
output:
4 4 4 4 0 4 4 4 4 4 4 4 4 4 0 1 3 3 4 4 4 1 4 0 4 0 4 4 4 4 4 4 4 0 4 1 1 4 4 0 4 3 4 4 4 4 4 4 4 3 4 1 1 3 4 0 4 4 3 4 4 4 4 4 4 4 4 4 4 0 4 4 4 3 4 3 4 4 4 1 4 3 0 4 4 4 4 4 0 4 0 4 4 4 4 1 4 4 4 4 4 0 1 4 4 1 4 0 4 3 4 0 4 3 1 0 4 4 1 1 4 4 4 3 4 4 4 3 0 4 1 4 4 4 0 4 4 4 4 1 0 4 1 0 4 4 4 4 4 4 ...
result:
ok 100000 lines
Test #13:
score: 0
Accepted
time: 141ms
memory: 237652kb
input:
300 100000 bcbabcab?bab??acacbcabacbacbcacacbabcab?bcbcb?bababcabcabcabca?abcbc?bcacacb?abababcbcbcbcbaba?cba?abcabc?ababacbcbc?acbabcacacbabcab?ca?b?babcbacbacbcbcbacbc?c?cababcacbc?bcbcabcacbabc?acbabcbacac?cbcb?abcbabacabcbacabcacababcbabcbcb??bacbcbacabc?cabacac?cab?cabacacbcacacbabacacabcab?bac...
output:
20336 14528 22504 24576 24576 16992 24576 24576 24576 0 24576 1500 24576 24576 24576 0 23592 7808 24576 0 24576 23592 24576 24576 0 640 24576 2576 24392 24576 624 24576 24576 0 8 24448 8 24576 104 0 24576 24576 24392 0 0 24576 24576 24576 0 24576 24392 24576 24576 24576 23488 24576 24576 24576 24448...
result:
ok 100000 lines
Test #14:
score: 0
Accepted
time: 153ms
memory: 250596kb
input:
300 100000 cbabacacabcaca?abcb?b??cbc??cbacb?acab?b?bcabc?a??bab?a?a?a?ca?acac????c?c?caba?a???bcab?ababababc??babacacacbacabcb?bab?bcab?bacb???ba???c?b?cb?bababac?cb??acacbcba?acaca??bacb?cbc?c?bcbcbab?ba?c??bacacab?b?b?ac??babcbcb?bcbcbcb?c?c?cbac?ba?a?abc?cab?bc?ca?abacaca?abc??ac?aca?a??ca?cac??...
output:
964413406 726709206 0 110704627 192317202 753035749 238645875 836077477 0 0 67075693 196248 337185872 684300992 551066954 512400928 894774207 441158600 632725062 60181080 460670453 301321033 206790308 549405433 258628038 0 719626090 0 800239318 716729053 580760175 749271169 414309213 431703326 12786...
result:
ok 100000 lines
Test #15:
score: -100
Wrong Answer
time: 155ms
memory: 245708kb
input:
300 100000 cbacacacbcba??bc???ab??bca?acabcbcb?cac?babacbac?ba??cbcbac?cb?abacaca?ac?c?caba?ac?cabc?ba?cbaba??ba??abcabac?abab?cabcacbc?cab??aca?bc??babacacab?c?babcacacb?cba?ac?a?abacabcbcbcaca?ab?bcabababc??ababa?abc???acbacbabcac?a?acabcac?cbabac?bacab??c?a??babcbacac??aca?bcba?ab?bcbacbacbabab?b...
output:
868189535 868189535 0 822201551 807650743 0 478514218 929370324 977775200 286149517 1474560 0 0 868189535 566119790 868189535 688551450 442798256 644403095 0 961178774 416544493 868189535 868189535 9381984 435073676 416544493 656227439 905055858 20457120 868189535 30882211 369979342 934382337 868189...
result:
wrong answer 4th lines differ - expected: '868189535', found: '822201551'