160722025-03-30 19:15:50szilAutópálya inflációcpp17Time limit exceeded 15/1002.088s5848 KiB
#include <bits/stdc++.h>

using namespace std;
using ll = long long;

const ll MOD = 1e9+7;
const int MAXM = 6001;

const int BLOCK_CNT = 50;
const int BLOCK_SIZE = 62;

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] &= ~(1ll << (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] &= ~(1ll << 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--) {
            ans += data[i];
            ans %= MOD;
            mul *= MULTI;
            mul %= MOD;
        }
        return ans;
    }
};

int u[MAXM], v[MAXM];

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();
    for (int i = 1; i <= n; i++) {
        vector<bigint> dist_curr = dist_last;
        for (int j = 1; j <= m; j++) {
            if (dist_last[u[j]] + w[j] < dist_curr[v[j]]) {
                dist_curr[v[j]] = dist_last[u[j]] + w[j];
            }
        }
        for (int j = 1; j <= m; j++) {
            if (dist_last[v[j]] + w[j] < dist_curr[u[j]]) {
                dist_curr[u[j]] = dist_last[v[j]] + w[j];
            }
        }

        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;
}
SubtaskSumTestVerdictTimeMemory
subtask10/0
1Accepted1ms316 KiB
2Time limit exceeded2.078s5644 KiB
subtask20/8
3Time limit exceeded2.088s4312 KiB
4Time limit exceeded2.088s4316 KiB
5Time limit exceeded2.088s4320 KiB
6Time limit exceeded2.088s4324 KiB
7Time limit exceeded2.084s4468 KiB
subtask315/15
8Accepted1ms316 KiB
9Accepted1ms508 KiB
10Accepted1ms316 KiB
11Accepted1ms316 KiB
12Accepted1ms316 KiB
13Accepted1ms320 KiB
14Accepted1ms316 KiB
15Accepted1ms316 KiB
16Accepted1ms316 KiB
17Accepted1ms316 KiB
18Accepted1ms316 KiB
subtask40/34
19Time limit exceeded2.084s5428 KiB
20Time limit exceeded2.085s5440 KiB
21Time limit exceeded2.085s5668 KiB
22Time limit exceeded2.085s5644 KiB
23Time limit exceeded2.084s5668 KiB
24Time limit exceeded2.084s5444 KiB
25Time limit exceeded2.085s5668 KiB
26Time limit exceeded2.085s5636 KiB
27Time limit exceeded2.082s5620 KiB
28Time limit exceeded2.082s4340 KiB
29Time limit exceeded2.082s4148 KiB
30Time limit exceeded2.082s3892 KiB
31Time limit exceeded2.079s4316 KiB
32Time limit exceeded2.081s5632 KiB
33Time limit exceeded2.081s5624 KiB
subtask50/21
34Wrong answer272ms1076 KiB
35Accepted528ms1588 KiB
36Accepted528ms1588 KiB
37Accepted526ms1784 KiB
38Accepted526ms1588 KiB
39Accepted527ms1772 KiB
40Wrong answer518ms1588 KiB
41Wrong answer518ms1588 KiB
42Wrong answer145ms820 KiB
43Wrong answer148ms1076 KiB
44Wrong answer148ms1076 KiB
45Wrong answer148ms1072 KiB
46Wrong answer146ms1076 KiB
47Wrong answer136ms1012 KiB
48Wrong answer263ms1076 KiB
49Wrong answer264ms1076 KiB
subtask60/22
50Time limit exceeded2.081s5644 KiB
51Time limit exceeded2.082s5652 KiB
52Time limit exceeded2.082s5428 KiB
53Time limit exceeded2.082s5644 KiB
54Time limit exceeded2.079s5644 KiB
55Time limit exceeded2.081s5848 KiB
56Time limit exceeded2.081s5608 KiB
57Time limit exceeded2.081s5620 KiB
58Wrong answer642ms1720 KiB
59Time limit exceeded2.085s4492 KiB
60Time limit exceeded2.085s4572 KiB
61Time limit exceeded2.086s4328 KiB
62Time limit exceeded2.085s4276 KiB
63Time limit exceeded2.085s4288 KiB
64Time limit exceeded2.086s5440 KiB
65Time limit exceeded2.085s5632 KiB
66Time limit exceeded2.084s5620 KiB