| 16081 | 2025-03-30 20:05:53 | szil | Autópálya infláció | cpp17 | Wrong answer 15/100 | 1.468s | 6224 KiB |
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const ll MOD = 1e9+7;
const int MAXN = 3001;
const int MAXM = 6001;
const int BLOCK_CNT = 55;
const int BLOCK_SIZE = 60;
const ll MULTI = (1ll<<(1+BLOCK_SIZE))%MOD;
struct bigint {
vector<uint64_t> data;
bigint() {
data.assign(BLOCK_CNT, ~0ull);
}
void clear() {
data.assign(BLOCK_CNT, 0ull);
}
bool operator<(const bigint &rhs) {
for (int i = 0; i < BLOCK_CNT; i++) {
if (data[i] != rhs.data[i]) {
return data[i] < rhs.data[i];
}
}
return 0;
}
bigint operator+(const bigint &rhs) {
bigint res;
res.clear();
bool carry = 0;
for (int i = BLOCK_CNT-1; i >= 0; i--) {
res.data[i] = data[i] + rhs.data[i] + carry;
carry = (res.data[i] >> (BLOCK_SIZE + 1)) & 1;
res.data[i] &= ~(1ull << (BLOCK_SIZE + 1));
}
return res;
}
void inflate() {
bool carry = 0;
for (int i = BLOCK_CNT-1; i >= 0; i--) {
bool next_carry = (data[i] >> BLOCK_SIZE) & 1;
data[i] &= ~(1ull << BLOCK_SIZE);
data[i] <<= 1;
data[i] |= carry;
carry = next_carry;
}
}
ll calc_ans() {
ll ans = 0;
ll mul = 1;
for (int i = BLOCK_CNT-1; i >= 0; i--) {
data[i] %= MOD;
ans += data[i] * mul;
ans %= MOD;
mul *= MULTI;
mul %= MOD;
}
return ans;
}
};
int u[MAXM], v[MAXM];
bool vis[MAXN];
void solve() {
int n, m; cin >> n >> m;
vector<bigint> w(m+1);
for (int i = 1; i <= m; i++) {
w[i].clear();
cin >> u[i] >> v[i] >> w[i].data.back();
}
vector<bigint> dist_last(n+1);
dist_last[1].clear();
vis[1] = 1;
int is_ok = -1;
for (int i = 1; i <= n; i++) {
if (is_ok != -1 && is_ok + 40 < i) break;
bool ok = true;
for (int j = 1; j <= n; j++) {
if (!vis[j]) ok = false;
}
if (ok && is_ok == -1) is_ok = i;
vector<bigint> dist_curr = dist_last;
for (int j = 1; j <= m; j++) {
if (vis[u[j]] && dist_last[u[j]] + w[j] < dist_curr[v[j]]) {
dist_curr[v[j]] = dist_last[u[j]] + w[j];
vis[v[j]] = 1;
}
}
for (int j = 1; j <= m; j++) {
if (vis[v[j]] && dist_last[v[j]] + w[j] < dist_curr[u[j]]) {
dist_curr[u[j]] = dist_last[v[j]] + w[j];
vis[u[j]] = 1;
}
}
dist_last = dist_curr;
for (int j = 1; j <= m; j++) {
w[j].inflate();
}
}
for (int i = 2; i <= n; i++) {
cout << dist_last[i].calc_ans() << "\n";
}
cout << "\n";
}
int main() {
ios::sync_with_stdio(0); cin.tie(0);
int t = 1;
// cin >> t;
while (t--) solve();
return 0;
}| Subtask | Sum | Test | Verdict | Time | Memory | ||
|---|---|---|---|---|---|---|---|
| subtask1 | 0/0 | ||||||
| 1 | Accepted | 1ms | 316 KiB | ||||
| 2 | Accepted | 237ms | 6032 KiB | ||||
| subtask2 | 0/8 | ||||||
| 3 | Accepted | 133ms | 4616 KiB | ||||
| 4 | Wrong answer | 153ms | 4628 KiB | ||||
| 5 | Wrong answer | 166ms | 4608 KiB | ||||
| 6 | Accepted | 125ms | 4608 KiB | ||||
| 7 | Wrong answer | 1.335s | 4612 KiB | ||||
| subtask3 | 15/15 | ||||||
| 8 | Accepted | 1ms | 316 KiB | ||||
| 9 | Accepted | 1ms | 316 KiB | ||||
| 10 | Accepted | 1ms | 316 KiB | ||||
| 11 | Accepted | 1ms | 316 KiB | ||||
| 12 | Accepted | 1ms | 316 KiB | ||||
| 13 | Accepted | 1ms | 316 KiB | ||||
| 14 | Accepted | 1ms | 316 KiB | ||||
| 15 | Accepted | 1ms | 316 KiB | ||||
| 16 | Accepted | 1ms | 328 KiB | ||||
| 17 | Accepted | 1ms | 316 KiB | ||||
| 18 | Accepted | 1ms | 316 KiB | ||||
| subtask4 | 0/34 | ||||||
| 19 | Accepted | 250ms | 6028 KiB | ||||
| 20 | Wrong answer | 275ms | 6036 KiB | ||||
| 21 | Wrong answer | 291ms | 6036 KiB | ||||
| 22 | Accepted | 234ms | 6036 KiB | ||||
| 23 | Accepted | 252ms | 6032 KiB | ||||
| 24 | Wrong answer | 361ms | 6040 KiB | ||||
| 25 | Accepted | 231ms | 6036 KiB | ||||
| 26 | Accepted | 238ms | 6020 KiB | ||||
| 27 | Wrong answer | 185ms | 6040 KiB | ||||
| 28 | Wrong answer | 384ms | 4608 KiB | ||||
| 29 | Wrong answer | 505ms | 4624 KiB | ||||
| 30 | Wrong answer | 1.166s | 4180 KiB | ||||
| 31 | Wrong answer | 433ms | 4596 KiB | ||||
| 32 | Wrong answer | 737ms | 6012 KiB | ||||
| 33 | Wrong answer | 689ms | 6012 KiB | ||||
| subtask5 | 0/21 | ||||||
| 34 | Wrong answer | 43ms | 1568 KiB | ||||
| 35 | Accepted | 57ms | 1836 KiB | ||||
| 36 | Accepted | 57ms | 1844 KiB | ||||
| 37 | Accepted | 57ms | 1836 KiB | ||||
| 38 | Accepted | 56ms | 1840 KiB | ||||
| 39 | Accepted | 56ms | 1840 KiB | ||||
| 40 | Wrong answer | 54ms | 1588 KiB | ||||
| 41 | Wrong answer | 54ms | 1844 KiB | ||||
| 42 | Wrong answer | 26ms | 1136 KiB | ||||
| 43 | Wrong answer | 43ms | 1076 KiB | ||||
| 44 | Wrong answer | 45ms | 1136 KiB | ||||
| 45 | Wrong answer | 45ms | 1136 KiB | ||||
| 46 | Wrong answer | 29ms | 1136 KiB | ||||
| 47 | Wrong answer | 28ms | 1108 KiB | ||||
| 48 | Wrong answer | 39ms | 1352 KiB | ||||
| 49 | Wrong answer | 39ms | 1332 KiB | ||||
| subtask6 | 0/22 | ||||||
| 50 | Wrong answer | 398ms | 6224 KiB | ||||
| 51 | Accepted | 250ms | 6028 KiB | ||||
| 52 | Accepted | 236ms | 6028 KiB | ||||
| 53 | Accepted | 277ms | 6172 KiB | ||||
| 54 | Accepted | 252ms | 6028 KiB | ||||
| 55 | Accepted | 256ms | 6056 KiB | ||||
| 56 | Wrong answer | 185ms | 6132 KiB | ||||
| 57 | Wrong answer | 174ms | 5816 KiB | ||||
| 58 | Wrong answer | 156ms | 1824 KiB | ||||
| 59 | Wrong answer | 474ms | 4616 KiB | ||||
| 60 | Wrong answer | 546ms | 4616 KiB | ||||
| 61 | Wrong answer | 653ms | 4616 KiB | ||||
| 62 | Wrong answer | 767ms | 4404 KiB | ||||
| 63 | Wrong answer | 405ms | 4576 KiB | ||||
| 64 | Wrong answer | 704ms | 6004 KiB | ||||
| 65 | Wrong answer | 839ms | 6008 KiB | ||||
| 66 | Wrong answer | 1.468s | 5936 KiB | ||||