Update Code

src/algorithm/fenzhi/jiaoyouhuodong.cpp

@@ -0,0 +1,42 @@
+#include <iostream>
+#define MAXN 1000000
+
+bool check(int n, int nn, int *C, int *M, int A) {
+    int count = 0, i, j;
+    i = nn;
+    j = 1;
+    while (i <= n) {
+        if (M[i] < C[j]) {
+            count += C[j] - M[i];
+        }
+        i++;
+        j++;
+    }
+    return count <= A;
+}
+
+int main() {
+    int n, M[MAXN], C[MAXN], mid, ans, B, A;
+    std::cin >> n >> B >> A; // N:Students B:Bike Nums A:School Money M:Student
+                             // Money C:Student Bike Money
+    for (int i = 1; i <= n; i++) {
+        std::cin >> M[i];
+    }
+    for (int i = 1; i <= n; i++) {
+        std::cin >> C[i];
+    }
+    // sort()
+    // sort()
+    int l = 0, r = n;
+    while (l <= r) {
+        mid = (l + r) / 2;
+        if (check(n, mid, C, M, A)) {
+            ans = mid;
+            l = mid + 1;
+        } else {
+            r = mid - 1;
+        }
+    }
+    std::cout << ans << std::endl;
+    return 0;
+}