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authoromagdy7 <omar.professional8777@gmail.com>2023-07-24 13:11:33 +0300
committeromagdy7 <omar.professional8777@gmail.com>2023-07-24 13:11:33 +0300
commit6b548332bfc6469756526002971c422f43f86d0a (patch)
tree261fde23f07c3e20cea375030f0c52863b59228c /contests/Round#835/E
parentcff8cae22ee9c25d193ff976143813f93e658e55 (diff)
downloadcompetitive-programming-6b548332bfc6469756526002971c422f43f86d0a.tar.xz
competitive-programming-6b548332bfc6469756526002971c422f43f86d0a.zip
Removed some empty *.cpp files and Solved some new problems
Diffstat (limited to 'contests/Round#835/E')
-rwxr-xr-xcontests/Round#835/E/main.cpp79
1 files changed, 0 insertions, 79 deletions
diff --git a/contests/Round#835/E/main.cpp b/contests/Round#835/E/main.cpp
deleted file mode 100755
index 68691f8..0000000
--- a/contests/Round#835/E/main.cpp
+++ /dev/null
@@ -1,79 +0,0 @@
-#include <bits/stdc++.h>
-#include <tuple>
-
-using namespace std;
-
-using ll = long long;
-using pi = pair<int, int>;
-using vpi = vector<pi>;
-using vi = vector<int>;
-using vll = vector<long long>;
-using mpii = map<int, int>;
-using mpll = map<ll, ll>;
-using db = long double;
-
-#define push_back pb
-#define all(x) (x).begin(), (x).end()
-#define rall(x) (x).rbegin(), (x).rend()
-#define lb lower_bound
-#define ub upper_bound
-
-const int MOD = (int)1e9 + 7;
-const db PI = acos((db)-1);
-const int dx[4]{1, 0, -1, 0};
-const int dy[4]{0, 1, 0, -1};
-
-auto helper(vi &v) {
- ll ans = 0, zc = 0;
- for (int i = v.size() - 1; i >= 0; i--) {
- (v[i] == 0 ? zc++ : ans += zc);
- }
- return ans;
-}
-
-void solve() {
- int n;
- cin >> n;
- vi v(n), v1(n), v2(n);
- for (int i = 0; i < n; i++) {
- cin >> v[i];
- }
- v1 = v;
- v2 = v;
- for (auto &x : v1) {
- if (x == 0) {
- x = 1;
- break;
- }
- }
- for (int i = n - 1; i >= 0; i--) {
- if (v2[i] == 1) {
- v2[i] = 0;
- break;
- }
- }
- ll og = helper(v);
- ll l = helper(v1);
- ll r = helper(v2);
- cout << max(og, max(r, l)) << '\n';
-}
-
-int main() {
- ios_base::sync_with_stdio(false);
- cin.tie(NULL);
- int tt;
- cin >> tt;
- while (tt--) {
- solve();
- }
-}
-
-/* stuff you should look for:
- ---------------------------
- * special cases (n=1?)
- * int overflow, array bounds
- * do smth instead of nothing and stay organized
- * WRITE STUFF DOWN
- * DON'T GET STUCK ON ONE APPROACH
- */
-