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#include <bits/stdc++.h>
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using namespace std;
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const int N = 1010; //图的最大点数量
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struct Edge { //记录边的终点,边权的结构体
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int to; //终点
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int value; //边权
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};
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int n, m; //表示图中有n个点,m条边
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vector<Edge> p[N]; //使用vector的邻接表
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/**
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* 测试数据
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4 6
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2 1 1
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1 3 2
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4 1 4
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2 4 6
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4 2 3
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3 4 5
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*/
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int main() {
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cin >> n >> m;
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//m条边
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for (int i = 1; i <= m; i++) {
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int u, v, l; //点u到点v有一条权值为l的边
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cin >> u >> v >> l;
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p[u].push_back({v, l});
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}
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//输出
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for (int i = 1; i <= n; i++) {
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printf("出发点:%d ", i);
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for (int j = 0; j < p[i].size(); j++)
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printf(" 目标点:%d,权值:%d;", p[i][j].to, p[i][j].value);
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puts("");
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}
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return 0;
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}
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