Submission #333323

#	Time	Username	Problem	Language	Result	Execution time	Memory
333323		keko37	Restore Array (RMI19_restore)	C++14	100 / 100	346 ms	748 KiB

restore

#include<bits/stdc++.h>

using namespace std;

typedef long long llint;
typedef pair <int, int> pi;

const int MAXN = 5005;
const int MAXM = 10005;

int n, m;
int from[MAXM], to[MAXM], w[MAXM];
int dist[MAXN];

bool relax () {
    bool ok = 0;
    for (int i = 0; i < m; i++) {
        if (dist[to[i]] > dist[from[i]] + w[i]) {
            dist[to[i]] = dist[from[i]] + w[i];
            ok = 1;
        }
    }
    for (int i = 1; i <= n; i++) {
        if (dist[i] < dist[i - 1]) {
            dist[i - 1] = dist[i];
            ok = 1;
        }
        if (dist[i] > dist[i - 1] + 1) {
            dist[i] = dist[i - 1] + 1;
            ok = 1;
        }
    }
    return ok;
}

int main () {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cin >> n >> m;
    for (int i = 0; i < m; i++) {
        int lef, rig, k, val;
        cin >> lef >> rig >> k >> val;
        lef++; rig++;
        if (val == 0) {
            from[i] = lef - 1; to[i] = rig; w[i] = rig - lef + 1 - k;
        } else {
            from[i] = rig; to[i] = lef - 1; w[i] = k-1 - (rig - lef + 1);
        }
    }
    for (int i = 0; i < n + 1; i++) {
        if (!relax()) break;
    }
    if (relax()) {
        cout << -1;
        return 0;
    }
    for (int i = 1; i <= n; i++) {
        cout << dist[i] - dist[i - 1] << " ";
    }
    return 0;
}

• Subtask 1: 7 / 7
• Subtask 2: 13 / 13
• Subtask 3: 25 / 25
• Subtask 4: 55 / 55