QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#536743 | #7559. Bocchi the Rock | 中国入民小学附属信息I队 (Zicheng Wang, Shubang Liu, Minkai Shao) | AC ✓ | 953ms | 17576kb | C++14 | 3.3kb | 2024-08-29 16:14:04 | 2024-08-29 16:14:04 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll mod = 998244353;
const int maxn = 2e5 + 5;
ll fpow(ll a, ll b)
{
ll ans = 1;
while (b)
{
if (b & 1) ans = ans * a % mod;
a = a * a % mod;
b >>= 1;
}
return ans;
}
int len, lim, rev[maxn];
void NTT(vector<ll> &p, int fl)
{
for (int i = 0; i < lim; i++)
if (i < rev[i]) swap(p[i], p[rev[i]]);
ll x = fl == 1 ? 3 : 332748118;
for (int i = 1; i < lim; i <<= 1)
{
ll T = fpow(x, (mod - 1) / i / 2);
for (int j = 0; j < lim; j += (i << 1))
{
ll t = 1;
for (int k = 0; k < i; k++, t = t * T % mod)
{
ll X = p[j + k], Y = t * p[i + j + k] % mod;
p[j + k] = (X + Y) % mod, p[i + j + k] = (X + mod - Y) % mod;
}
}
}
if (fl == -1)
{
ll inv = fpow(lim, mod - 2);
for (int i = 0; i < lim; i++) (p[i] *= inv) %= mod;
}
}
inline void preNTT(int x)
{
len = 0, lim = 1;
while (lim <= x) lim <<= 1, len++;
for (int i = 0; i < lim; i++) rev[i] = (rev[i >> 1] >> 1) | ((i & 1) << (len - 1));
}
int n;
char s[maxn];
bool dt[maxn][2], cr[maxn][2];
struct info
{
vector<ll> f[2][2];
info() { f[0][0].clear(); f[0][1].clear(); f[1][0].clear(); f[1][1].clear(); }
info operator * (info b)
{
int mx = 0;
for (int i = 0; i < 2; i++) for (int j = 0; j < 2; j++) for (int k = 0; k < 2; k++)
mx = max(mx, (int)f[i][j].size() + (int)b.f[j][k].size());
preNTT(mx);
for (int i = 0; i < 2; i++) for (int j = 0; j < 2; j++)
{
while (f[i][j].size() < lim) f[i][j].emplace_back(0);
while (b.f[i][j].size() < lim) b.f[i][j].emplace_back(0);
NTT(f[i][j], 1), NTT(b.f[i][j], 1);
}
info ans; for (int i = 0; i < 2; i++) for (int j = 0; j < 2; j++) ans.f[i][j].resize(lim);
for (int i = 0; i < 2; i++) for (int j = 0; j < 2; j++) for (int k = 0; k < 2; k++)
for (int t = 0; t < lim; t++) (ans.f[i][j][t] += f[i][k][t] * b.f[k][j][t]) %= mod;
for (int i = 0; i < 2; i++) for (int j = 0; j < 2; j++)
{
NTT(ans.f[i][j], -1);
while (!ans.f[i][j].back())ans.f[i][j].pop_back();
}
return ans;
}
};
info DivideFFT(int l, int r)
{
if (l == r)
{
info res;
if (cr[l][0] && cr[l + 1][0]) res.f[0][0] = {0, dt[l][0] + dt[l][1]};
if (cr[l][1] && cr[l + 1][1]) res.f[1][1] = {0, dt[l][0] + dt[l][1]};
if (cr[l][0] && cr[l + 1][1]) res.f[0][1] = {dt[l][0], dt[l][1]};
if (cr[l][1] && cr[l + 1][0]) res.f[1][0] = {0, dt[l][1], dt[l][0]};
return res;
}
int mid = (l + r) >> 1;
return DivideFFT(l, mid) * DivideFFT(mid + 1, r);
}
int main()
{
ios::sync_with_stdio(false);
cin.tie(0);
cin >> n >> s + 1;
for (int i = 1; i <= n; i++) cr[i][1] = (s[2 * i - 1] != 'P'), cr[i][0] = (s[2 * i - 1] != 'Y');
for (int i = 1; i <= n; i++) dt[i][1] = (s[2 * i] != 'R'), dt[i][0] = (s[2 * i] != 'B');
cr[n + 1][0] = cr[1][0], cr[n + 1][1] = cr[1][1];
info ans = DivideFFT(1, n);
cout << (ans.f[0][0][n] + ans.f[1][1][n]) % mod;
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3568kb
input:
2 ????
output:
12
result:
ok 1 number(s): "12"
Test #2:
score: 0
Accepted
time: 0ms
memory: 3632kb
input:
3 ??YR?B
output:
4
result:
ok 1 number(s): "4"
Test #3:
score: 0
Accepted
time: 0ms
memory: 3576kb
input:
5 YBYRPBYRYB
output:
0
result:
ok 1 number(s): "0"
Test #4:
score: 0
Accepted
time: 0ms
memory: 3544kb
input:
10 PRPBPRPRPRPBYB?R?BY?
output:
3
result:
ok 1 number(s): "3"
Test #5:
score: 0
Accepted
time: 0ms
memory: 3808kb
input:
10 ?R?R?BYB?R?R?B?B?BYR
output:
96
result:
ok 1 number(s): "96"
Test #6:
score: 0
Accepted
time: 0ms
memory: 3880kb
input:
10 YRPRYRY???P?YB?BYRY?
output:
32
result:
ok 1 number(s): "32"
Test #7:
score: 0
Accepted
time: 0ms
memory: 3636kb
input:
10 PBYBPRPBYRPBYRYBPRPB
output:
0
result:
ok 1 number(s): "0"
Test #8:
score: 0
Accepted
time: 0ms
memory: 3840kb
input:
10 PBPRPRYBYRYRYB?B?RYB
output:
0
result:
ok 1 number(s): "0"
Test #9:
score: 0
Accepted
time: 0ms
memory: 3584kb
input:
10 PRP?PBPRYR??Y?YRPB?R
output:
12
result:
ok 1 number(s): "12"
Test #10:
score: 0
Accepted
time: 0ms
memory: 3872kb
input:
10 ?RYB??P??B?B?B???RPR
output:
416
result:
ok 1 number(s): "416"
Test #11:
score: 0
Accepted
time: 585ms
memory: 10388kb
input:
50000 YBPBYRPRPRPRPBPRPBPBPBYRPRPBPBYRPBPRYBYBPBPBPRPBPBYRYBYRPBYRYRPBYRYRYRPBYBYRPBPBYBYBPBYRPBPBYBYBYRPBPRYBPBYBPRPRYBPRPBYBPRPBYRPBYBPRYBPBPBYRYBYBYBPRYBYRPRPRPRPRYRYBPBPBPBPRPRYBYRYBPRPRPRPBYBPBPRYRPRPBYRPBYRYRPBYBYBPBYRYRPBPRYBPRYBPBPBYRPBPBYBYBPRPBYBYBYRYRPBPRPRPRPRPRYBPBPBPRYBYRPRPRYBYRPRPBYR...
output:
0
result:
ok 1 number(s): "0"
Test #12:
score: 0
Accepted
time: 596ms
memory: 10416kb
input:
50000 YRPBPBYRYRYRYBYBYRPBPBPBPBPBYRYBPBPRYBPBYRYRPRYBYBYBYRPRPBPBPRYRPBYBYBPBYRYRPRPBPBPBPRYBYBYRYRPRPRYBPRPBYRPBPRYRPRYBPRYBYBYRYRYBYRYRYBYRPBPBPBYBPBPRPBPRYRPRYBYBPBPRPBPBPRPRPBYRYRPBPBPBYRPBYBYBYRPBPRPBPRYBPRPRYBPRPBPBYRYRYRYBYRPRPRYBYBYBPBPRPBPRYRYRPRPRPBPBPRPRPBYBYRPRPRPBYBYRPBYBPRPRPRPRPRPBPB...
output:
0
result:
ok 1 number(s): "0"
Test #13:
score: 0
Accepted
time: 592ms
memory: 10108kb
input:
50000 PRPRYBPBYBYBPBYRPBYRYBPBPBPRPRPBYBYRPRPRPRPRPRYRYBYRPBPBPRYRPRPBPRPBPRPRPRPBYRYRYRPBYBYRYRPRPRPRPRYBYBYBYBPBPRPBPBPRYRPRYRPRPRYRPRPBPBYRYBPRPRYRPBPBYBYBPBYRPBPRYRPRYRYBPBPBPRPBPRPRPRYBPBPBYBYBPRYRPRYRPBYRYBYRYRPBYBPBPRPRYRPRYBYRPRPRYBYBYBPBYRYRYRYRYRYRPBYBYRYRYBYRPRYRPBPBYBYRYBPBYBPRYBPBYRYBPR...
output:
0
result:
ok 1 number(s): "0"
Test #14:
score: 0
Accepted
time: 596ms
memory: 10020kb
input:
50000 YRPRPBPRYRYRPRYBPBYRPRPBYRYRYRPBPBYRPRYBYBYBPRYRPBPRPBPBYRPRPRPBPBYBYBPRPRPRYRYRYBYRPBYBPBPRYBPRYBYBYBPBYBYBPBPBPRYRPRPBYRYBYRPRYBYRPRYRPRPRYRPBYRYRYBYRYRPRYRYRPBPRPBYRYRPBYRPBPBPBPRPBYBYBPRYBPBPBYRYRYBYRPRPBPRYBPRPBYRPBYBYBPBPRPBYRYRPRPBPRPBPBYRPRPBYRPRPRYRYRPBYBYBPBPBYBPBYBYRYBYRPBPBPBPRYRPB...
output:
0
result:
ok 1 number(s): "0"
Test #15:
score: 0
Accepted
time: 588ms
memory: 10400kb
input:
50000 YBPBYRPRYRPRPBPBYBYRPBYRPBPRPRPBPBPBYRYBYRPBYRYRPBYRPRPRYBPRYRYBYBPRPRYBYBPRPRPRYRPRYBPRPBYRPBYRPBYRPRPBPBPRPBPBYRYBPRPBPBPBPBYRYRPRPRYBYRPRYBYBYBYBYRYRPBPRYRYRPRYBPRPBPRPRPRPRPBPRPBYBPBPBPBYRPBYBPBPRPBYRPRPRYRYBYRPRPBPRYBYRPBPRPBPRYRPRYBYRYBYBPRPRPRPBYRPBPBYRYRPBPRYBPRYBPRYBPRYBYRPBYBPBPBYRPR...
output:
0
result:
ok 1 number(s): "0"
Test #16:
score: 0
Accepted
time: 55ms
memory: 4388kb
input:
5000 PR?BPB?BY?PRY??RPB?R??YBY?P?YRPBYBPRP?YBYBYRPRPB?BPBPR?RYR??Y??RYR?BPRYR?RPRP?Y?PRY?Y?YB??PBYRYR?RPB?BPB?BY?P?Y?YBY??RPB?BPRPBY???PRP?YB?R?RP?PR?BPB???R?B?RP?PBYB?BPRYBP?P??B?RPRP???P???PRYB?RYRP?Y??RPR?BP?PR?BPBPRYR?B??PB??YBPB?B?BY?YB?RY?PR?RYB???BYBP?Y??RYRYB?RYBYBPBYRYBP?YBYR?RPBYBY?YRP??R?...
output:
101508706
result:
ok 1 number(s): "101508706"
Test #17:
score: 0
Accepted
time: 55ms
memory: 4332kb
input:
5000 Y?P?PBYBYBPBYB?RYBPRPB?B??YRY??RP?PB??P??BYR?B?BP??R?R?R?BYBP??BY?Y?PBY?Y?YR?RY?PRPR?R?RPR?RPR?BYR?B?B?RPRPR?RP?Y?YRP?Y??RYB????YRY?YR?BP?YB?B??Y??B?RPBYR?RP????B?RPR??????P?PRPR?RP?PR?????BP?P?YB?BYRP?PBP?YBYB?RPR?R?B?BYRYR?RPBPBY??BYBPRYRPBPB?R?RPR?BYBP?YRY?PR?BPR?RY????BYBYB?RYRP???Y???PBY?Y...
output:
748282195
result:
ok 1 number(s): "748282195"
Test #18:
score: 0
Accepted
time: 55ms
memory: 4252kb
input:
5000 P?PRPRPBP??RYB??YBPBYRYB?BP?YB?B?BY??R?BYRP??BPRY?YBYB?RY????B??????PB?RP?P??R?BPB?BY?PR?RPBPBPR?BY?YB?BYBYRYBYRYBY?Y??RP?YR?R?R?BY?PBY??RYBPBYBYBY?PBY?P?YB?RYR???RY?YBY?YRYRY?PBY?P?PBYRPRY?PBP???PBYRPRY?Y?P?P?Y?PR???B?B?RP???PBY?P?PR???BP?PR????P?YB??YR??YRYBYR?B?BP??BPB??P?Y?PRYRY?YB??YR?RY?Y...
output:
24097861
result:
ok 1 number(s): "24097861"
Test #19:
score: 0
Accepted
time: 55ms
memory: 4456kb
input:
5000 ??PBPRYBPR??PRP?PRYBY???P?YRPBYBY?YR?RYR??Y?P?YRPR?BPBY?PRPRYB?RYBY?P?????YBPBYBY?Y??BY?PB???BP?P?Y???YR??YBP???YRYB?BPBPRP???PRY??B???BPB???R?RP?PB???BYRP?YB?BP??RP?PBYRPRPR??P??RY????B?????RP?YBYBPRYBYB?RYRYBP??RPB??YRPBY?PBPBP?YRYBPR?BPRYBPB???BYR?RY?PB?RYRY??BYRP?Y?YRP?PRPR????Y?PRPRYBP?YBP...
output:
447561693
result:
ok 1 number(s): "447561693"
Test #20:
score: 0
Accepted
time: 55ms
memory: 4472kb
input:
5000 P?P?P??????BPR?RY?PR??Y?Y??BPR??PB?B??PRP?YB???RPRPRPBY??R??PRYBYR?RPR?BP??R?B?RYRPRP??B?BYRY??R?RP???P?PRP??RY??RY?YBY???????P?Y?PBPRYBPRYRY?P?PB?BPR??P?Y?Y?Y?PR?RPB??Y??BYRP?PRPRY??R?RYBPR??YBP??B?RPRYBPR?BP??BYBYBPRYRPBPRPRY?Y?YBYRPBP?PB??Y?P??????R?BPBYR???BPR?B?R???BYR?BP?P?Y?YRY?PR??YBYB?...
output:
987042679
result:
ok 1 number(s): "987042679"
Test #21:
score: 0
Accepted
time: 50ms
memory: 4288kb
input:
5000 PRPBPRPRYRPRPBYBPBPBYRPBPBPBYRYRYBPBYRPRYBPBPRYBPBYRPRYBYRYRPBPBPBPBYRPBYRYBYRPRYBPBPBPRYBPRYBYBPRPBPBYRYBPRPBYRYRPRYBPRPRPBYRPBYRYRPRPRYRYRYBYBPBPBPBPRPRPBPRPRYRPBYRYRYRPBPRPRYRPRPBYBYBPBPRPRYRPBPRYBPRYBPRPRYRPRYRPBPRYBPRPRYBYRPBYRPRYBPRPRYBYRPRYRYBPRYBPRPBPRPRPRYBYRYRYRYRPBPRPBPRPBPRPBPRYRYBY...
output:
0
result:
ok 1 number(s): "0"
Test #22:
score: 0
Accepted
time: 54ms
memory: 4524kb
input:
5000 PRYRYBPBPRYRYRYRPBPBYBYRPBPBYRPRPRYBYRPRYRPBPRYBPBYRPRYRYRYBPBPBYBPBYBPBYRYRYRYRYBYRPRPBYRYBPRYBYBPRPRPBYRYRYRPBYBPBPRPRYRPRPBPRYBYBPBPBYBPBPBPRPBYRYRYRYRPRYBYBPBYBYBPBYBYRPRYRPRPRYBYRYBYRYRYBYBYRPBPRYRYRPRPRPRPRYRPRYRYRPBYBYRPBYBPBPRYBPBYBPBPRYRYRPBPRPRPBPRYRPRYBPBYRPRYBPBYRYBPRPRYRYBYBPRPBYBP...
output:
0
result:
ok 1 number(s): "0"
Test #23:
score: 0
Accepted
time: 54ms
memory: 4456kb
input:
5000 PBYRYRYBYBPBYBYBPBYBYRPRYBYRPRPBYRYBPRYBPRPRYRYRPBYRYRPRYRYBPBYBPBPRPBPRPBPBP?YRPBYBYBPRPRPBPRYRPRYBPRYRYBYRPRYBYBPBYRPBPBYBYRYBPRPBYRYBPBYBYRYRYRPRPRYBYBPRYRPRYBYBYBPRYBPBYRYBPBPRPRPBYBYRYBYRPRYBYBYBYBYBPBYRPRPRPRPRYBYRPRYRYRYBYRPBYRPBPRPRYBPBYBYRPRYBPRYBPRPRPRPBYRPRPBYRYBY?PRYRYRYBPRYRYBYRYBY...
output:
172032
result:
ok 1 number(s): "172032"
Test #24:
score: 0
Accepted
time: 56ms
memory: 4308kb
input:
5000 ????YRPB??PB??Y?Y??R??P?PRY?P??B??PBPBP???PRP??RY??RP?YRYB?R?BY?P??B?B??Y??R?RYRYRP???P?YBPR?R????YBP???P????R?R?BPR??Y?Y?YBP?Y??RY???PR??????P?P?Y??B?R?????B??Y?Y??BY??B?B???RYR???R?RY??RP?PR?RY?PB??Y?P?P???P??B?R??YR?BYRY??????R??Y??RYRPBYR??Y?P?P??B?RP?Y??B?BPBP?P???Y??B?RY?YBYB?RYRYRYBYB???...
output:
589400951
result:
ok 1 number(s): "589400951"
Test #25:
score: 0
Accepted
time: 59ms
memory: 4476kb
input:
5000 ???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????...
output:
312356960
result:
ok 1 number(s): "312356960"
Test #26:
score: 0
Accepted
time: 616ms
memory: 10724kb
input:
50000 YR?BPR?BP??B??YBY?PRY?PRYB??PB?BPBY??R???RPR??Y?Y???PR???BPBPRPRY?Y?P?Y?P?YR??YR?RP?YRP??B?B???R??YR?BPR?B?R?R??Y?YBYRPR?BPBPRPRPB??YBPR??PR??Y??RYBY??RPRPB??YBPR??PBY?PBPBPRPRPRYRYB??YR?BYRP?P??RYR?R?R?RPBP?Y?YR??YBYR??YRYR???BPRPR???BP??B?BPBYBYBYR?B?RPRPBP?P?YBPB?R?BPBPR?BP?PRYRPB?BY?Y??B?B...
output:
61578469
result:
ok 1 number(s): "61578469"
Test #27:
score: 0
Accepted
time: 616ms
memory: 10840kb
input:
50000 Y??RPRP?PBYR?BPRPBYB??YBP?PBPB?????B?BYRYBPBYBPRPRYBP?P?YB?B??PBY?PB?R?RPR?RYBY?Y?PBY????B??YBYRPRY??BYR??PRPBP?P?P?Y?YBPRPBYBPRP???Y?P??RPBYBPBY??BY?Y?YRPB??Y?PBYB??P?Y?PRYBY?YBY??R?B??PR???BYRYB?RPBPBPBPR?RP??BYRYB?BP?PRP?P?YBPRP?PBYR???R?RPBP?P?YB?RPR?RYRP??B?RYRYRYBP??B???BYRYRPB??YRPRYBPB...
output:
21239954
result:
ok 1 number(s): "21239954"
Test #28:
score: 0
Accepted
time: 621ms
memory: 10432kb
input:
50000 YR??PB?BP???YRP??BYRPRP?P?PRPRPR?RPRPBYBPBY??B?B?RPRPBYRP??R?B??PR??P?PR?RYBPRPRY????R?R?RY??B?RYB?R?B?BYBPB??YRYRYBY?P?PR?B?RP??RP?YRPRYBPBYB?BYBP????RYRYR?BPRP?YRY?PB???BP??????BPR?RP?YBPB?RY?PBPBP??BYRP?YBYRP?YBYB?RPRYBYBP?YBY?YB?R??PBYBY?PB?R????P??BPRPRPRY???P???PBPRYRYB?RP?YBYRYRY????RP?...
output:
268137953
result:
ok 1 number(s): "268137953"
Test #29:
score: 0
Accepted
time: 616ms
memory: 10012kb
input:
50000 P???PR?RYBPB?RPBYB??YR??PB??YBPBP?Y?P??R?RYBPRPBYB??YB?R????YR?RPRPB?RYB?RPRP???PBYBY?YB?BYR??PR?B???B?R?RPR?RPR??PR?BYBPR????P???P?YRPR??P?PRYRYB?BYBY???P?PB?R??P??RYBPB?R?RYB???B????PRPRYR???BYRYR?B??PBP???PRP?P?YR??YRP??B?BY?Y?PRPRPRYRYRYRPRY?Y??RPBY?YR?BPRPB?R?BYR?BY??BY?P?Y?YBYRYBYRY?P??R...
output:
903429393
result:
ok 1 number(s): "903429393"
Test #30:
score: 0
Accepted
time: 612ms
memory: 10568kb
input:
50000 P??RPBYB?RP?Y??BPBPBPBYRPRPBYRP?YR??P?PBY?Y?????PRYBPBP?Y??BY??BPR?BYB???R?B??YBYRP??BP?YBPRP?YBP?P?Y?PR??YRPBYBPR?BPBY?PRY??RP???PRYBP?YRP?P??R??P?YBPR??P?PRYB?BPRYRYBP??BYB?RP??RPB??PR?R??YBPR?B??YBY?Y???P??BYRP????RYB?RYR?BP?YBP?P???P?PB??PR?RP?PR?R??P?YB?B??P?YRY?Y??RY?P?YBYBYRYRY?YRPBYBYB...
output:
360140728
result:
ok 1 number(s): "360140728"
Test #31:
score: 0
Accepted
time: 597ms
memory: 10084kb
input:
50000 PBYRYRYBYRYBYRPBYRPBPBYBYRYBYBPRPBYRYRYBYRPBPRYBYRYRYRYBYRYRYRPRYBYRPRPRPRYRPBYRPRPBYRPBYRYRPBYRYBPRYRPRYBYBYRYBPRPBYBPRPRPRYRPRYRPRYRPBYBPRPRYRYRPRPRPBYRYRYRPRPBPRPRYRYRYBYRYRYRPBYBYRPBPBYRPRPBPRYBPRPBYBPBPBPBYRYRPRPBYRPBYRYBPRPBYRYBPBPRPRPBYBPRYRPBYBYBYRPRYBYBYBPBYBPBPRYRYRYRPRYBYBYBPBPBYBPR...
output:
0
result:
ok 1 number(s): "0"
Test #32:
score: 0
Accepted
time: 593ms
memory: 10492kb
input:
50000 PRYRPBPRYRYBYRYBYRYRYRPRPBPRPRYBYBPBYRPRYRYRYRYRPBYBPRPRPRPRPRPRYBPRPBYBPBYBYBYRPRPBYBYBYBYBPRPBYBPBPRYRYBYBPBYRYBYRPBYRYRYRYBYBYRYBYRPRPBPBPBPBPBPRPRYBYRYRPBPRPRYBYRPRYRYRYRYRPRPRYRPBPRYRYRPBYBPRPBYRYRYBYRYBPRYBYRYRPRYBYBPRPBYRPBYBYRYRYRYBPBPRPBYBPBYRYBYRPBPBYBPRYBYRYBPBYRYRPBYBPBYBPRPBYBYRYB...
output:
0
result:
ok 1 number(s): "0"
Test #33:
score: 0
Accepted
time: 593ms
memory: 10052kb
input:
50000 PBPRPBYRPRYBYBYRPBPBYRPBPRPBPBPBYRPBYBYRPRYBPRPRYRYBPBPBYRPRYRYRPBYRYRPBPBYRPBPBYRPBYRYBYRYBYBYRYBPRPBYRYRYRPBYRPBYBPRYRYBPRYBYBYRPBPRYRYRYBYRPBPBPBPBPRYBYRPBYBYRYRYBYRYRYBYRPRYRPBYRPBPRYBYRPBPBYRYRPRYRYRYBPBYRPRPRPBPRPRYRPBPBYBPBPBYBYBYBPBYBPRPBYBYRPRPBYBPRPBPRPBYRPBPRYRPRYRYRYBPRPRPRYRPBYBPR...
output:
0
result:
ok 1 number(s): "0"
Test #34:
score: 0
Accepted
time: 640ms
memory: 10252kb
input:
50000 ?BY???P????RPB??P???YB?R?BY?YR????PR??P???????P?YRP?PRY?PB??Y?YR???B??Y?YR?BPRYR?B?B?BPRY?Y???PRY?PBYBPRP?Y?PBY?YRP?PR?R??PRYRY?Y?Y?Y?P?PBPB?RP?PRY?P???PRY???P???P???PB?B?B?B?B?BYBP?PR????P??BYRY??????R?B??P?????PBY??R?B??Y?YB??PBPB?B???R?BP??B?BPB?R????YR????YBP?P?YR????Y?PRPB??Y????R?R?RY??B...
output:
908700788
result:
ok 1 number(s): "908700788"
Test #35:
score: 0
Accepted
time: 953ms
memory: 17576kb
input:
50000 ??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????...
output:
422064317
result:
ok 1 number(s): "422064317"