# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
232033 | Blerargh | Baloni (COCI15_baloni) | C++17 | 78 ms | 4352 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
const int MAXN = 1e6+5;
int main(){
ios_base::sync_with_stdio(0); cout.tie(0); cin.tie(0);
int heights[MAXN];
memset(heights, 0, sizeof(heights));
int n; cin >> n;
int cnt=0;
for (int i=0; i<n; i++){
int x;
cin >> x;
if (heights[x]) heights[x]--;
else cnt++;
heights[x-1]++;
}
cout << cnt;
}
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---|---|---|---|---|
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