'commit'

TangDou/CSP-J/AcWingTraining/Iamthebest.cpp

@@ -0,0 +1,42 @@
+#include <bits/stdc++.h>
+using namespace std;
+const int N = 10010;
+int a[N];  
+int st[N]; 
+int n, w;
+
+int main() {
+    cin >> n;
+    for (int i = 1; i <= n; i++) cin >> a[i];
+    cin >> w;
+    if (n % w) {
+        cout << "false" << endl;
+        return 0;
+    }
+    sort(a + 1, a + 1 + n); 
+    for (int i = 1; i <= n; i++) {
+        if (!st[i]) {
+            st[i] = 1;             
+            int start = i + 1;     
+            int target = a[i] + 1; 
+            for (int j = 1; j < w; j++) {
+                bool flag = false;
+                for (int k = start; k <= n; k++) {
+                    if (!st[k] && a[k] == target) {
+                        st[k] = 1;
+                        flag = true;
+                        start = k + 1;
+                        target++;
+                        break;
+                    }
+                }
+                if (!flag) {
+                    cout << "false" << endl;
+                    return 0;
+                }
+            }
+        }
+    }
+    cout << "true" << endl;
+    return 0;
+}