鍦–++涓紝鍙互浣跨敤vector<vector>鏉ュ畾涔変簩缁存暟缁勩€備互涓嬫槸涓€涓畝鍗曠殑绀轰緥锛?/p>

#include <iostream>
#include <vector>

int main() {
    // 瀹氫箟涓€涓?琛?鍒楃殑浜岀淮鏁扮粍
    std::vector<std::vector<int>> arr(3, std::vector<int>(4));

    // 缁欎簩缁存暟缁勮祴鍊?/span>
    for (int i = 0; i < arr.size(); i++) {
        for (int j = 0; j < arr[i].size(); j++) {
            arr[i][j] = i * arr[i].size() + j;
        }
    }

    // 杈撳嚭浜岀淮鏁扮粍
    for (int i = 0; i < arr.size(); i++) {
        for (int j = 0; j < arr[i].size(); j++) {
            std::cout << arr[i][j] << " ";
        }
        std::cout << std::endl;
    }

    return 0;
}

鍦ㄤ笂闈㈢殑绀轰緥涓紝鎴戜滑瀹氫箟浜嗕竴涓?琛?鍒楃殑浜岀淮鏁扮粍锛屽苟缁欐暟缁勮祴鍊笺€傜劧鍚庝娇鐢ㄥ祵濂楃殑for寰幆杈撳嚭浜岀淮鏁扮粍鐨勫唴瀹广€傞€氳繃浣跨敤vector<vector>鍙互鏂逛究鍦板畾涔夊拰鎿嶄綔浜岀淮鏁扮粍銆?/p>