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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 |
---|---|---|---|---|---|---|---|---|---|
#640780 | #7996. 报数 IV | ucup-team3519# | WA | 118ms | 4000kb | C++17 | 3.5kb | 2024-10-14 15:59:46 | 2024-10-14 15:59:49 |
Judging History
answer
#include <bits/stdc++.h>
template <int m>
class ModInt {
int raw;
using mint = ModInt;
using i64 = int64_t;
public:
ModInt() : raw(0) {}
ModInt(const auto &v) {
raw = v % m;
if (raw < 0) {
raw += m;
}
}
int operator()() const {
return raw;
}
mint &operator+=(const mint &rhs) {
raw += rhs.raw;
if (raw >= m) {
raw -= m;
}
return *this;
}
mint &operator-=(const mint &rhs) {
raw -= rhs.raw;
if (raw < 0) {
raw += m;
}
return *this;
}
mint &operator*=(const mint &rhs) {
raw = (i64)raw * rhs.raw % m;
return *this;
}
mint &operator/=(const mint &rhs) {
return *this *= qpow(rhs, m - 2);
}
friend mint operator+(const mint &lhs, const mint &rhs) {
return mint{lhs} += rhs;
}
friend mint operator-(const mint &lhs, const mint &rhs) {
return mint{lhs} -= rhs;
}
friend mint operator*(const mint &lhs, const mint &rhs) {
return mint{lhs} *= rhs;
}
friend mint operator/(const mint &lhs, const mint &rhs) {
return mint{lhs} /= rhs;
}
static mint qpow(mint a, i64 b) {
mint res = 1;
while (b) {
if (b & 1) {
res *= a;
}
a *= a, b >>= 1;
}
return res;
}
};
using mint = ModInt<static_cast<int>(1e9 + 7)>;
int mod(std::string s) {
int res = 0;
for (char c : s) {
res += (c - '0');
}
return res % 9;
}
mint val(std::string s) {
mint res = 0;
for (char c : s) {
res = res * 10 + (c - '0');
}
return res;
}
void solve() {
std::string s;
std::cin >> s;
int k, m;
std::cin >> k >> m;
if (k >= 10) {
if (m > 9) {
std::cout << "0\n";
} else {
m %= 9;
mint ans = val(s);
int p = mod(s);
std::cout << ((ans - p) / 9 + (p >= m))() << '\n';
}
return;
}
int sum = 0;
std::vector<mint> g;
for (char c : s) {
int d = c - '0';
std::vector<mint> ng(std::max<int>(sum + d, g.size() + 10));
for (int i = 0; i < d; ++i) {
ng[sum + i] += 1;
}
for (int i = 0; i < 10; ++i) {
for (int x = 0; x < g.size(); ++x) {
ng[x + i] += g[x];
}
}
sum += d;
g.swap(ng);
while (!g.empty() && g.back()() == 0) {
g.pop_back();
}
}
if (g.size() < sum + 1) {
g.resize(sum + 1);
}
g[sum] += 1;
g[0] -= 1;
auto f = [](int x) {
int res = 0;
while (x) {
res += x % 10;
x /= 10;
}
return res;
};
for (int i = 1; i <= k - 1; ++i) {
std::vector<mint> ng(g.size());
for (int x = 0; x < g.size(); ++x) {
ng[f(x)] += g[x];
}
g.swap(ng);
while (!g.empty() && g.back()() == 0) {
g.pop_back();
}
}
if (g.size() < m + 1) {
std::cout << "0\n";
} else {
std::cout << g[m]() << '\n';
}
}
int main() {
std::ios::sync_with_stdio(false);
std::cin.tie(nullptr);
int t;
std::cin >> t;
while (t--) {
solve();
}
}
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 3784kb
input:
2 114 1 5 514 2 10
output:
8 10
result:
ok 2 lines
Test #2:
score: 0
Accepted
time: 1ms
memory: 3652kb
input:
5 114 1 5 514 2 10 114514 3 7 1919810 2 13 1145141919810114514191981011451419198101145141919810114514191981011451419198101145141919810114514191981011451419198101145141919810 1 79
output:
8 10 12724 504 481046284
result:
ok 5 lines
Test #3:
score: 0
Accepted
time: 118ms
memory: 3760kb
input:
5 3134666912140933323880320519044791121794814671711104987304374190280064994554822259889216567113228716903875026053927191961850586115167336109747673868148288830282192461669674173201533887392623483710043038941036243583011049049915834937139438028987629569618561762595613799223807979488245056374812076511...
output:
0 613343513 0 500149787 932367667
result:
ok 5 lines
Test #4:
score: 0
Accepted
time: 118ms
memory: 4000kb
input:
5 1139519997005658838804233882542131329603951012645222504700958241682545257324091070752720569220022637054777343187779232016568942045167801853025395316038491270541841827939668031807503056209394655628349207403327386083909984082879989255237547274110143051980886947606735206241362546384481120301780245959...
output:
0 0 983106233 842410978 351127737
result:
ok 5 lines
Test #5:
score: 0
Accepted
time: 117ms
memory: 3804kb
input:
5 8638076091316635855641492966551052879887835736093039980247820372626975300011595185556660107638347885877620156412525017113706895612406460047827904025826640853053762221239009476530804397983925491363476392003741370633988524528072186299564325622601218035310613510134479162974878452692502169127286160440...
output:
0 151494485 491996396 951216080 735591005
result:
ok 5 lines
Test #6:
score: 0
Accepted
time: 118ms
memory: 3772kb
input:
5 4594403190887655851098979323885347301970260472182981436563110607463337770897498592230279433635011809482497666151819612860549852933087582131069399973150048275594755688227873941703801791577493672811179138154635173296855021815570777969295164438906410283251071005981539590431740858876880832337309525533...
output:
452162993 993032288 529250142 0 0
result:
ok 5 lines
Test #7:
score: 0
Accepted
time: 117ms
memory: 3932kb
input:
5 7106329661074460076851813089444392472728206874451143771638786962963099120130351553150316525985245033972323999641553983578568333846746709032264525531367915930983812069660457027974526824268427908058438462283103774963889147187903776098321357665707620452891363086885353145154955480116362167820560099473...
output:
0 42143665 0 0 266635325
result:
ok 5 lines
Test #8:
score: 0
Accepted
time: 117ms
memory: 3772kb
input:
5 3197096843267069616758413776891049764649182364659681310636123435063129351340319661216252795154685419993835505771367978692486745621757064307866143997529010856187698866761085397967488612326286182291301655780420802213700700872824442868225191222911023750488609973480926167606063152176688092948837104972...
output:
447917122 738150576 134709012 571675718 0
result:
ok 5 lines
Test #9:
score: 0
Accepted
time: 117ms
memory: 3936kb
input:
5 7612942550467855237767978070830743429305395120370014044416141696259440200835613011108477499855450341979327882148431400498007877975643997499046007388707405687392636406520850657394581417406913024784851871291661719356877660941151602720564069428677800545614776632869404791295787921432277016643912651129...
output:
0 264129072 541216127 357954287 0
result:
ok 5 lines
Test #10:
score: 0
Accepted
time: 0ms
memory: 3636kb
input:
5 9999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999...
output:
0 0 0 0 0
result:
ok 5 lines
Test #11:
score: -100
Wrong Answer
time: 118ms
memory: 3948kb
input:
5 9999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999...
output:
910755804 259808709 937821856 357970005 357970005
result:
wrong answer 5th lines differ - expected: '357970004', found: '357970005'