Submission #968558

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
968558	2024-04-23 15:40:33	weakweakweak	Real Mountains (CCO23_day1problem2)	C++17	25 / 25	2740 ms	129472 KiB

Main

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//我好笨，聽解了
/*
x + 
*/
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
 
const int M = 1e6 + 3, N = M + 20, INF = (INT_MAX >> 1) - 3;
 
int o[N], n;
vector <int> v[N], b;
 
struct segmenttree {
    int a[N << 2];
    void build (int l, int r, int id) {
        if (l == r) {
            a[id] = b[o[l]];
            return;
        }
        int mid = (l + r) >> 1;
        build (l, mid, id << 1); build (mid + 1, r, id << 1 | 1);
        a[id] = min(a[id << 1], a[id << 1 | 1]);
    }
    int query (int l, int r, int ql, int qr, int id) {
        if (ql < 1 or qr > n or ql > qr) return INF;
        if (ql <= l and r <= qr) return a[id];
        int mid = (l + r) >> 1, ans = INT_MAX;
        if (ql <= mid) ans = min(ans, query(l, mid, ql, qr, id << 1));
        if (qr > mid)  ans = min(ans, query(mid + 1, r, ql, qr, id << 1 | 1));
 
 
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Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:69:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   69 |     for (int h = 0; h + 1 < b.size(); h++) {
      |                     ~~~~~~^~~~~~~~~~

• Subtask 1: 3 / 3
• Subtask 2: 3 / 3
• Subtask 3: 3 / 3
• Subtask 4: 3 / 3
• Subtask 5: 4 / 4
• Subtask 6: 5 / 5
• Subtask 7: 4 / 4