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P1105 平台
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Luogu/problem/P1105/P1105.cpp
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41
Luogu/problem/P1105/P1105.cpp
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#include <bits/stdc++.h>
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using namespace std;
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int n, ans[20005];
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struct node {
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int id, h, l, r;
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struct {
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int l, r;
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} ans;
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} a[1005];
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bool cmp1(node a, node b) {
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return a.h == b.h ? a.id > b.id : a.h < b.h;
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}
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bool cmp2(node a, node b) {
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return a.id < b.id;
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}
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int main() {
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cin >> n;
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for (int i = 0; i < n; i++) {
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a[i].id = i + 1;
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cin >> a[i].h >> a[i].l >> a[i].r;
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}
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sort(a, a + n, cmp1);
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for (int i = 0; i < n; i++) {
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a[i].ans.l = ans[a[i].l];
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a[i].ans.r = ans[a[i].r];
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for (int j = a[i].l + 1; j <= a[i].r - 1; j++) {
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ans[j] = a[i].id;
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}
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}
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sort(a, a + n, cmp2);
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for (int i = 0; i < n; i++) {
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cout << a[i].ans.l << ' ' << a[i].ans.r << endl;
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}
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return 0;
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}
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