'commit'

TangDou/CSP-J/J2-2021/4_Vector.cpp

@@ -0,0 +1,36 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+const int N = 200010;
+int n, cnt;
+
+struct Node {
+    int id, value;
+};
+vector<Node> a;
+//70分，不能AC
+int main() {
+    scanf("%d", &n);
+    for (int i = 1; i <= n; i++) {
+        int x;
+        scanf("%d", &x);
+        a.push_back({i, x});
+    }
+
+    while (cnt < n) {
+        int flag = 2;
+        //枚举vector中每个数字，之所以采用迭代器，是因为循环过程中要删除
+        for (auto it = a.begin(); it != a.end();) {
+            Node x = *it;
+            if (x.value != flag) {
+                flag = x.value;
+                printf("%d ", x.id);
+                cnt++;
+                a.erase(it);
+            } else
+                ++it;
+        }
+        printf("\n");
+    }
+    return 0;
+}