全错,哪错了??
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全错,哪错了??
792020
Bad_guy楼主2024/3/27 22:33
#include <cstring>
#include <iostream>
#include <algorithm>
using namespace std;
const int N = 10010, M = 1e5 + 10;
int h[N], e[M * 2], ne[M * 2], idx;
int cnt[N];
bool st[N];
int n, m;
void add(int a, int b)
{
    e[idx] = b, ne[idx] = h[a], h[a] = idx++;
}
int main()
{
    memset(h, -1, sizeof h);
    cin >> n >> m;
    for (int i = 1; i <= m; i++)
    {
        int op;
        cin >> op;
        if (op == 1)
        {
            int a, b;
            cin >> a >> b;
            if (a == b)
                continue;
            add(a, b), add(b, a);
        }
        else
        {
            memset(st, 0, sizeof st);
            int p, t;
            cin >> p >> t;
            cnt[p] += t;
            st[p] = true;
            for (int i = h[p]; ~i; i = ne[i])
            {
                int j = e[i];
                if (!st[j])
                    cnt[j] += t;
            }
        }
    }
    for (int i = 1; i <= n; i++)
        cout << cnt[i] << " ";
    return 0;
}

2024/3/27 22:33
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