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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#634143 | #9313. Make Max | klhwong# | WA | 25ms | 3508kb | C++17 | 1.7kb | 2024-10-12 16:45:52 | 2024-10-12 16:45:52 |
Judging History
answer
#include <bits/stdc++.h>
#define int long long
using namespace std;
int t{}, n{}, temp{};
signed main() {
ios::sync_with_stdio(0), cin.tie(0);
cin >> t;
while(t--) {
cin >> n;
stack<pair<int, int>> stk;
int answer = 0;
for (int i = 0; i < n; i++) {
cin >> temp;
if (stk.empty()) {
stk.push({temp, 1});
}
else if (stk.top().first == temp) {
// Merge with the previous group of same elements
int cnt = stk.top().second + 1;
stk.pop();
stk.push({temp, cnt});
}
else if (stk.top().first < temp) {
int add = 0;
int cnt = 1;
// Corrected here: Remove 'add += add;'
while (!stk.empty() && stk.top().first < temp) {
add += stk.top().second; // Add only once per popped element
cnt += stk.top().second;
stk.pop();
}
answer += add;
// Merge with existing same elements after popping smaller ones
while (!stk.empty() && stk.top().first == temp) {
cnt += stk.top().second;
stk.pop();
}
stk.push({temp, cnt});
}
else {
stk.push({temp, 1});
}
}
int add = 0;
// Corrected here: Remove 'add += add;'
while (stk.size() > 1) {
add += stk.top().second; // Add only once per popped element
stk.pop();
}
cout << answer + add << '\n';
}
}
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 3500kb
input:
4 2 1 2 2 2 2 7 1 1 1 2 2 2 2 3 1 2 3
output:
1 0 3 3
result:
ok 4 number(s): "1 0 3 3"
Test #2:
score: -100
Wrong Answer
time: 25ms
memory: 3508kb
input:
2 198018 875421126 585870339 471894633 383529988 625397685 944061047 704695631 105113224 459022561 760848605 980735314 847376362 980571959 329939331 644635272 326439858 752879510 837384394 175179068 182094523 397239381 1199016 185143405 279638454 252374970 822030887 860312140 137248166 993229443 164...
output:
2183852 2064938
result:
wrong answer 1st numbers differ - expected: '4084978', found: '2183852'