'commit'

TangDou/LuoGuBook/P3613.cpp

@@ -0,0 +1,22 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+typedef long long LL;
+int n, q, cmd, i, j, K;
+
+int main() {
+    cin >> n >> q;
+    vector<vector<int> > locker(n + 1);//动态声明大小
+    while (q--) {
+        cin >> cmd;
+        if (cmd == 1) {
+            cin >> i >> j >> k;
+            if (locker[i].size() < j + 1) locker[i].resize(j + 1);
+            locker[i][j] = k;
+        } else {
+            cin >> i >> j;
+            cout << locker[i][j] << endl;
+        }
+    }
+    return 0;
+}