| Task: | Dynamic Range Minimum Queries |
| Sender: | aalto26dh_014 |
| Submission time: | 2026-09-21 15:46:40 +0300 |
| Language: | C++ (C++20) |
| Status: | READY |
| Result: | ACCEPTED |
| test | verdict | time | |
|---|---|---|---|
| #1 | ACCEPTED | 0.00 s | details |
| #2 | ACCEPTED | 0.12 s | details |
Compiler report
input/code.cpp: In function 'int main()':
input/code.cpp:35:21: warning: overflow in conversion from 'long int' to 'int' changes value from '10000000000' to '1410065408' [-Woverflow]
35 | int m = 10000000000;
| ^~~~~~~~~~~Code
#include <bits/stdc++.h>
using namespace std;
int main() {
ios::sync_with_stdio(0);
cin.tie(0);
int n, q;
cin >> n >> q;
vector<int> tree(2 * n);
for (int i = 0; i < n; i++) {
cin >> tree[n + i];
}
for (int i = n - 1; i > 0; --i) {
tree[i] = min(tree[2 * i], tree[2 * i + 1]);
}
for (int i = 0; i < q; i++) {
int quer;
cin >> quer;
if (quer == 1) {
int k, u;
cin >> k >> u;
k--;
k += n;
tree[k] = u;
for (k /= 2; k >= 1; k /= 2) {
tree[k] = min(tree[2 * k], tree[2 * k + 1]);
}
}
else {
int a, b;
cin >> a >> b;
a--; b--;
a += n; b += n;
int m = 10000000000;
while (a <= b) {
if (a % 2 == 1) m = min(m, tree[a++]);
if (b % 2 == 0) m = min(m, tree[b--]);
a /= 2; b /= 2;
}
cout << m << "\n";
}
}
return 0;
}Test details
Test 1
Verdict: ACCEPTED
| input |
|---|
| 8 80 7 6 4 6 2 9 4 8 2 1 1 2 1 2 2 1 3 ... |
| correct output |
|---|
| 7 6 4 4 2 ... |
| user output |
|---|
| 7 6 4 4 2 ... |
Test 2
Verdict: ACCEPTED
| input |
|---|
| 200000 200000 398739055 65343131 699208332 3... |
| correct output |
|---|
| 28609 129890 20378 20378 311522 ... |
| user output |
|---|
| 28609 129890 20378 20378 311522 ... |
