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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#448900 | #7775. 【模板】矩阵快速幂 | wsyear | 0 | 828ms | 14332kb | C++17 | 3.2kb | 2024-06-20 11:32:38 | 2024-06-20 11:32:39 |
Judging History
answer
#include <bits/stdc++.h>
#define rep(i, j, k) for (int i = (j); i <= (k); ++i)
#define per(i, j, k) for (int i = (j); i >= (k); --i)
#define SZ(v) int((v).size())
#define ALL(v) (v).begin(),(v).end()
#define fi first
#define se second
using ll = long long;
using pii = std::pair<int, int>;
using pll = std::pair<ll, ll>;
template<class T>inline void chkmn(T &x, T y) { if (y < x) x = y; }
template<class T>inline void chkmx(T &x, T y) { if (y > x) x = y; }
using namespace std;
template <int P>
class mod_int {
using Z = mod_int;
private:
static int mo(int x) { return x < 0 ? x + P : x; }
public:
int x;
int val() const { return x; }
mod_int() : x(0) {}
template <class T>
mod_int(const T &x_) : x(x_ >= 0 && x_ < P ? static_cast<int>(x_) : mo(static_cast<int>(x_ % P))) {}
bool operator==(const Z &rhs) const { return x == rhs.x; }
bool operator!=(const Z &rhs) const { return x != rhs.x; }
Z operator-() const { return Z(x ? P - x : 0); }
Z pow(long long k) const {
Z res = 1, t = *this;
while (k) {
if (k & 1) res *= t;
if (k >>= 1) t *= t;
}
return res;
}
Z &operator++() {
x < P - 1 ? ++x : x = 0;
return *this;
}
Z &operator--() {
x ? --x : x = P - 1;
return *this;
}
Z operator++(int) {
Z ret = x;
x < P - 1 ? ++x : x = 0;
return ret;
}
Z operator--(int) {
Z ret = x;
x ? --x : x = P - 1;
return ret;
}
Z inv() const { return pow(P - 2); }
Z &operator+=(const Z &rhs) {
(x += rhs.x) >= P && (x -= P);
return *this;
}
Z &operator-=(const Z &rhs) {
(x -= rhs.x) < 0 && (x += P);
return *this;
}
Z &operator*=(const Z &rhs) {
x = 1ULL * x * rhs.x % P;
return *this;
}
Z &operator/=(const Z &rhs) { return *this *= rhs.inv(); }
#define setO(T, o) \
friend T operator o(const Z &lhs, const Z &rhs) {\
Z res = lhs; \
return res o## = rhs; \
}
setO(Z, +) setO(Z, -) setO(Z, *) setO(Z, /)
#undef setO
};
const int P = 998244353;
using Z = mod_int<P>;
const int maxn = 310;
const __int128 inf = 1e37;
int n, m;
ll k;
struct mat {
__int128 a[maxn][maxn];
friend mat operator*(mat x, mat y) {
mat res;
rep (i, 1, n) rep (j, 1, n) res.a[i][j] = inf;
rep (i, 1, n) rep (k, 1, n) if (x.a[i][k] != inf) rep (j, 1, n) chkmn(res.a[i][j], x.a[i][k] + y.a[k][j]);
return res;
}
} e, res;
void print(__int128 x) {
if (!x) return;
print(x / 10);
putchar('0' + x % 10);
}
void work() {
scanf("%d%d%lld", &n, &m, &k);
rep (i, 1, n) rep (j, 1, n) e.a[i][j] = inf;
rep (i, 1, m) {
int u, v;
ll w;
scanf("%d%d%lld", &u, &v, &w);
chkmn(e.a[u][v], __int128(w));
}
rep (i, 1, n) rep (j, 1, n) res.a[i][j] = inf;
res.a[1][1] = 0;
while (k) {
if (k & 1) res = res * e;
e = e * e, k >>= 1;
}
rep (i, 1, n) {
if (res.a[1][i] == inf) printf("-1 ");
else print(res.a[1][i]), printf(" ");
}
printf("\n");
}
int main() {
int sid, t;
scanf("%d%d", &sid, &t);
while (t--) work();
}
Details
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Subtask #1:
score: 0
Wrong Answer
Test #1:
score: 0
Wrong Answer
time: 69ms
memory: 14332kb
input:
1 1 100 101 899539897889989959 74 35 910832669819965536 35 85 910832669819965536 85 88 910832669819965536 88 30 910832669819965536 30 58 910832669819965536 58 60 910832669819965536 60 34 910832669819965536 34 8 910832669819965536 8 67 910832669819965536 67 89 910832669819965536 89 32 910832669819965...
output:
819330326804718737265921456766053065 819330326804718737265921456766053054 819330326804718737265921456766053056 819330326804718737265921456766053112 819330326804718737265921456766053066 819330326804718737265921456766053062 819330326804718737265921456766053027 819330326804718737265921456766053105 8193...
result:
wrong output format Expected integer, but "819330326804718737265921456766053065" found
Subtask #2:
score: 0
Wrong Answer
Test #7:
score: 0
Wrong Answer
time: 828ms
memory: 14276kb
input:
2 1 300 598 8179377797889487867988994778539839593376697796496698959964978969 1 2 977880533270721156 2 1 977880533270721156 2 3 977880533270721156 3 2 977880533270721156 3 4 977880533270721156 4 3 977880533270721156 4 5 977880533270721156 5 4 977880533270721156 5 6 977880533270721156 6 5 977880533270...
output:
-1 9019355965953758885826745382478786994 -1 9019355965953758885826745382478776832 -1 9019355965953758885826745382478766670 -1 9019355965953758885826745382478756508 -1 9019355965953758885826745382478746346 -1 9019355965953758885826745382478736184 -1 9019355965953758885826745382478726022 -1 9019355965...
result:
wrong output format Expected integer, but "9019355965953758885826745382478786994" found
Subtask #3:
score: 0
Skipped
Dependency #2:
0%
Subtask #4:
score: 0
Skipped
Dependency #1:
0%
Subtask #5:
score: 0
Skipped
Dependency #1:
0%
Subtask #6:
score: 0
Skipped
Dependency #3:
0%