QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#798440 | #9787. Shrek's Song of the Swamp | Evan | WA | 55ms | 7176kb | C++23 | 597b | 2024-12-04 13:47:14 | 2024-12-04 13:47:30 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
using i64 = long long;
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
int n;
cin >> n;
vector<int> a(n);
for (int i = 0; i < n; i++) {
cin >> a[i];
}
set<int> s;
int pre = -1;
int ans = 0;
for (int i = 0; i < n; i++) {
if (a[i] == pre || s.find(a[i]) != s.end()) {
if (a[i] == pre) {
ans++;
} else {
ans += 2;
}
pre = a[i];
while (!s.empty()) {
s.erase(s.begin());
}
} else {
s.insert(a[i]);
}
}
cout << ans << "\n";
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 3804kb
input:
9 1 2 3 1 3 1 2 3 2
output:
5
result:
ok 1 number(s): "5"
Test #2:
score: 0
Accepted
time: 0ms
memory: 3572kb
input:
6 3 4 10 1 -3 5
output:
0
result:
ok 1 number(s): "0"
Test #3:
score: 0
Accepted
time: 0ms
memory: 3612kb
input:
4 1 2 1 1
output:
3
result:
ok 1 number(s): "3"
Test #4:
score: 0
Accepted
time: 0ms
memory: 3876kb
input:
9 1 2 3 1 3 1 2 3 2
output:
5
result:
ok 1 number(s): "5"
Test #5:
score: 0
Accepted
time: 0ms
memory: 3800kb
input:
6 3 4 10 1 -3 5
output:
0
result:
ok 1 number(s): "0"
Test #6:
score: 0
Accepted
time: 0ms
memory: 3576kb
input:
4 1 2 1 1
output:
3
result:
ok 1 number(s): "3"
Test #7:
score: -100
Wrong Answer
time: 55ms
memory: 7176kb
input:
1000000 7 2 6 10 3 1 9 3 5 3 8 10 8 4 10 1 9 5 2 7 9 7 10 4 5 2 10 9 6 3 6 10 5 2 9 3 4 6 6 10 10 6 1 9 4 5 7 2 2 10 2 8 5 6 1 8 3 9 1 8 1 6 6 1 4 9 3 8 1 4 10 10 7 4 9 8 7 1 9 1 5 5 6 5 5 6 7 4 10 6 1 6 10 6 7 8 1 9 1 9 10 3 2 5 2 3 9 2 9 4 8 4 8 9 2 6 8 4 5 3 3 3 2 6 8 10 2 10 2 4 10 10 10 7 1 3 2...
output:
446906
result:
wrong answer 1st numbers differ - expected: '463867', found: '446906'