diff options
Diffstat (limited to 'contests/Round#788/A(2_pointers).cpp')
| -rw-r--r-- | contests/Round#788/A(2_pointers).cpp | 29 |
1 files changed, 0 insertions, 29 deletions
diff --git a/contests/Round#788/A(2_pointers).cpp b/contests/Round#788/A(2_pointers).cpp deleted file mode 100644 index 5d56719..0000000 --- a/contests/Round#788/A(2_pointers).cpp +++ /dev/null @@ -1,29 +0,0 @@ -#include<bits/stdc++.h> -using namespace std; -int main () { - int tt; - cin >> tt; - while (tt--) { - int n; - cin >> n; - vector<int> v(n); - for(auto &x : v) { - cin >> x; - } - int l = 0, r = v.size() - 1; - while(r > l) { - while(v[l] < 0) { - l++; - } - while(v[r] > 0) { - r--; - } - if(l > r) break; - v[l] = -v[l]; - v[r] = -v[r]; - } - cout << (is_sorted(v.begin(), v.end()) ? "YES" : "NO"); - } -} - - |
