'commit'

TangDou/CSP-J/J2-2021/2_0.cpp

@@ -0,0 +1,54 @@
+#include <bits/stdc++.h>
+using namespace std;
+const int N = 8010;
+
+struct Node {
+    int value;
+    int id;
+} a[N];
+
+bool cmp(Node &a, Node &b) {
+    if (a.value == b.value) return a.id < b.id;
+    return a.value < b.value;
+}
+
+int n;
+int q;
+
+int main() {
+    //加快读入
+    cin.tie(0), ios::sync_with_stdio(false);
+    cin >> n >> q;
+    for (int i = 1; i <= n; i++) {
+        cin >> a[i].value;
+        a[i].id = i;
+    }
+
+    sort(a + 1, a + 1 + n, cmp);
+
+    while (q--) {
+        int op, x, v;
+        cin >> op;
+        if (op == 1) {
+            cin >> x >> v;
+
+            for (int i = 1; i <= n; i++)
+                if (a[i].id == x) {
+                    a[i].value = v;
+                    break;
+                }
+
+            sort(a + 1, a + 1 + n, cmp);
+        } else {
+            cin >> x;
+
+            for (int i = 1; i <= n; i++)
+                if (a[i].id == x) {
+                    cout << i << endl;
+                    break;
+                }
+        }
+    }
+
+    return 0;
+}