Archive Contest: TOTAL 5 Code

Luogu/B4146_[语言月赛 202502] 本俗妙手不如举手.cpp

@@ -0,0 +1,58 @@
+#include <bits/stdc++.h>
+#define lo long long
+#define INF INT_MAX
+#define LLM LONG_LONG_MAX
+
+using namespace std;
+const int N = 1e7 + 10;
+/*
+    toothless. #17
+    @fredcss_dev
+*/
+
+int f(int n, int k, vector<int>& a) {
+    // 初始胜场数计算
+    int red = 0, pink = 0;
+    for (int ai : a) {
+        if (ai > 49) {
+            red++;
+        } else { 
+            pink++;
+        }
+    }
+    int cnt = 0;
+    for (int l = 0; l <= n - k; l++) {
+        int chr = 0, cpi = 0;
+        for (int i = l; i < l + k; i++) {
+            bool ysfred = (a[i] > 49);
+            int tzhred = a[i] - 2;
+            int tzhpink = 101 - a[i];
+            bool tzhredWin = (tzhred > tzhpink);
+            if (ysfred && !tzhredWin) {
+                chr--;
+                cpi++;
+            } else if (!ysfred && tzhredWin) {
+                chr++;
+                cpi--;
+            }
+        }
+        int nre = red + chr;
+        int npi = pink + cpi;
+        if (npi > nre) {
+            cnt++;
+        }
+    }
+    return cnt;
+}
+
+int main() {
+    int n, k;
+    cin >> n >> k;
+    vector<int> a(n);
+    for (int i = 0; i < n; i++) {
+        cin >> a[i];
+    }
+    int result = f(n, k, a);
+    cout << result << endl;
+    return 0;
+}