160752025-03-30 19:26:03szilAutópálya inflációcpp17Time limit exceeded 15/1002.099s6260 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] &= ~(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] * 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();
        // ll x;
        // cin >> u[i] >> v[i] >> x;
        // for (int j = BLOCK_CNT-1; j >= 0; j--) {
        //     w[i].data[j] = x & ((1ll<<(1+BLOCK_SIZE))-1);
        //     x >>= (1 + BLOCK_SIZE);
        // }
    }
    vector<bigint> dist_last(n+1);
    dist_last[1].clear();
    vis[1] = 1;
    for (int i = 1; i <= n; 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;
}
SubtaskSumTestVerdictTimeMemory
subtask10/0
1Accepted1ms508 KiB
2Time limit exceeded2.079s6048 KiB
subtask20/8
3Time limit exceeded2.078s4604 KiB
4Time limit exceeded2.078s4796 KiB
5Time limit exceeded2.078s4608 KiB
6Time limit exceeded2.078s4612 KiB
7Time limit exceeded2.079s4608 KiB
subtask315/15
8Accepted1ms316 KiB
9Accepted1ms316 KiB
10Accepted1ms316 KiB
11Accepted1ms316 KiB
12Accepted1ms424 KiB
13Accepted1ms316 KiB
14Accepted1ms316 KiB
15Accepted1ms316 KiB
16Accepted1ms316 KiB
17Accepted1ms316 KiB
18Accepted1ms316 KiB
subtask40/34
19Time limit exceeded2.099s6024 KiB
20Time limit exceeded2.099s6024 KiB
21Time limit exceeded2.099s6028 KiB
22Time limit exceeded2.099s5956 KiB
23Time limit exceeded2.081s6032 KiB
24Time limit exceeded2.081s6184 KiB
25Time limit exceeded2.081s5968 KiB
26Time limit exceeded2.082s6024 KiB
27Time limit exceeded2.088s5952 KiB
28Time limit exceeded2.086s4608 KiB
29Time limit exceeded2.088s4816 KiB
30Time limit exceeded2.088s4176 KiB
31Time limit exceeded2.091s4792 KiB
32Time limit exceeded2.091s6020 KiB
33Time limit exceeded2.091s6012 KiB
subtask50/21
34Wrong answer335ms1372 KiB
35Accepted691ms1836 KiB
36Accepted694ms1588 KiB
37Accepted694ms1836 KiB
38Accepted694ms1844 KiB
39Accepted695ms1840 KiB
40Wrong answer688ms1844 KiB
41Wrong answer689ms1836 KiB
42Wrong answer182ms1076 KiB
43Wrong answer173ms1140 KiB
44Wrong answer173ms1136 KiB
45Wrong answer174ms1132 KiB
46Wrong answer182ms1128 KiB
47Wrong answer167ms1268 KiB
48Wrong answer331ms1332 KiB
49Wrong answer333ms1360 KiB
subtask60/22
50Time limit exceeded2.078s6164 KiB
51Time limit exceeded2.079s6032 KiB
52Time limit exceeded2.078s6000 KiB
53Time limit exceeded2.078s6208 KiB
54Time limit exceeded2.085s6028 KiB
55Time limit exceeded2.085s6220 KiB
56Time limit exceeded2.085s5952 KiB
57Time limit exceeded2.086s5940 KiB
58Wrong answer736ms1828 KiB
59Time limit exceeded2.082s4612 KiB
60Time limit exceeded2.082s4612 KiB
61Time limit exceeded2.085s4632 KiB
62Time limit exceeded2.082s4404 KiB
63Time limit exceeded2.078s4584 KiB
64Time limit exceeded2.079s6260 KiB
65Time limit exceeded2.079s6216 KiB
66Time limit exceeded2.092s5940 KiB