Task: | Key cutting |
Sender: | Otis++ |
Submission time: | 2024-11-16 15:43:20 +0200 |
Language: | C++ (C++17) |
Status: | READY |
Result: | ACCEPTED |
test | verdict | time | |
---|---|---|---|
#1 | ACCEPTED | 0.00 s | details |
#2 | ACCEPTED | 0.00 s | details |
#3 | ACCEPTED | 0.00 s | details |
#4 | ACCEPTED | 0.00 s | details |
#5 | ACCEPTED | 0.00 s | details |
#6 | ACCEPTED | 0.00 s | details |
#7 | ACCEPTED | 0.00 s | details |
#8 | ACCEPTED | 0.00 s | details |
#9 | ACCEPTED | 0.02 s | details |
#10 | ACCEPTED | 0.02 s | details |
#11 | ACCEPTED | 0.02 s | details |
#12 | ACCEPTED | 0.02 s | details |
#13 | ACCEPTED | 0.03 s | details |
#14 | ACCEPTED | 0.03 s | details |
Code
#include<bits/stdc++.h> using namespace std; using ll = long long; int main() { int n; cin >> n; stack<int> st; st.push(0); int ans = 0; for (int i = 1; i <= n; i++) { int x; cin >> x; while (!st.empty() && st.top() > x) st.pop(); if (st.empty() || st.top() < x) { ans++; st.push(x); } } cout << ans; }
Test details
Test 1
Verdict: ACCEPTED
input |
---|
3 1 2 1 |
correct output |
---|
2 |
user output |
---|
2 |
Test 2
Verdict: ACCEPTED
input |
---|
1 0 |
correct output |
---|
0 |
user output |
---|
0 |
Test 3
Verdict: ACCEPTED
input |
---|
1 9 |
correct output |
---|
1 |
user output |
---|
1 |
Test 4
Verdict: ACCEPTED
input |
---|
100 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ... |
correct output |
---|
0 |
user output |
---|
0 |
Test 5
Verdict: ACCEPTED
input |
---|
100 0 0 0 1 1 0 0 0 0 1 1 1 0 1 1 ... |
correct output |
---|
25 |
user output |
---|
25 |
Test 6
Verdict: ACCEPTED
input |
---|
100 2 1 2 1 2 0 0 0 1 1 2 2 1 2 2 ... |
correct output |
---|
41 |
user output |
---|
41 |
Test 7
Verdict: ACCEPTED
input |
---|
100 36 5 10 37 94 59 20 31 64 2 58... |
correct output |
---|
99 |
user output |
---|
99 |
Test 8
Verdict: ACCEPTED
input |
---|
100 228768416 32415139 952687252 6... |
correct output |
---|
100 |
user output |
---|
100 |
Test 9
Verdict: ACCEPTED
input |
---|
100000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ... |
correct output |
---|
0 |
user output |
---|
0 |
Test 10
Verdict: ACCEPTED
input |
---|
100000 1 1 1 0 0 1 0 0 0 0 1 0 1 0 0 ... |
correct output |
---|
24965 |
user output |
---|
24965 |
Test 11
Verdict: ACCEPTED
input |
---|
100000 2 1 2 2 2 2 2 1 1 0 1 1 0 1 1 ... |
correct output |
---|
38968 |
user output |
---|
38968 |
Test 12
Verdict: ACCEPTED
input |
---|
100000 4 4 5 4 4 5 0 2 2 1 4 4 1 0 5 ... |
correct output |
---|
59156 |
user output |
---|
59156 |
Test 13
Verdict: ACCEPTED
input |
---|
100000 18 5 6 16 8 10 1 7 4 15 5 9 19... |
correct output |
---|
82598 |
user output |
---|
82598 |
Test 14
Verdict: ACCEPTED
input |
---|
100000 33 37 37 86 42 38 18 10 77 57 ... |
correct output |
---|
94897 |
user output |
---|
94897 |