Added some new problems

1 files changed, 48 insertions, 0 deletions

diff --git a/contests/Round#828/B/main.cpp b/contests/Round#828/B/main.cpp
new file mode 100644
index 0000000..e2d3d5d
--- /dev/null
+++ b/contests/Round#828/B/main.cpp
@@ -0,0 +1,48 @@
+#include<bits/stdc++.h>
+
+using namespace std;
+
+typedef long long ll;
+typedef pair<int, int> ii;
+typedef vector<ii> vii;
+typedef vector<int> vi;
+
+#define INF 1000000000
+
+int main () {
+	ios_base::sync_with_stdio(false);
+	cin.tie(NULL);
+	int tt;
+	cin >> tt;
+	while(tt--) {
+    int n, q;
+    cin >> n >> q;
+    vector<long long> v(n);
+    int even = 0, odd = 0;
+    long long ans = 0;
+    for (int i = 0 ; i < n; i++) {
+      cin >> v[i];
+      odd += (v[i] & 1);
+      ans += v[i]; 
+    }
+    even = n - odd;
+    while (q--) {
+      int t, x;
+      cin >> t >> x;
+      if (t == 0) {
+        ans += even * x;
+        if (x & 1) {
+          odd += even;
+          even = 0;
+        } 
+      } else {
+        ans += odd * x;
+        if (x & 1) {
+          even += odd;
+          odd = 0;
+        } 
+      }
+      cout << ans << '\n';
+    }
+	}
+}