鍦–++涓紝鍙互浣跨敤STL涓殑sort鍑芥暟瀵箆ector瀹瑰櫒杩涜鎺掑簭銆俿ort鍑芥暟浣嶄簬澶存枃浠朵腑锛屽叾鐢ㄦ硶濡備笅鎵€绀猴細

#include <iostream>
#include <vector>
#include <algorithm>

int main() {
    std::vector<int> vec = {3, 1, 4, 1, 5, 9, 2, 6, 5, 3};

    // 瀵箆ector瀹瑰櫒杩涜鍗囧簭鎺掑簭
    std::sort(vec.begin(), vec.end());

    // 杈撳嚭鎺掑簭鍚庣殑缁撴灉
    for (int num : vec) {
        std::cout << num << " ";
    }

    return 0;
}

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// 瀵箆ector瀹瑰櫒杩涜闄嶅簭鎺掑簭
std::sort(vec.begin(), vec.end(), std::greater<int>());

浠ヤ笂浠ｇ爜涓紝鎴戜滑浣跨敤std::greater()鍑芥暟瀵硅薄杩涜闄嶅簭鎺掑簭銆傚彟澶栵紝涔熷彲浠ヨ嚜瀹氫箟鎺掑簭瑙勫垯锛屼緥濡傦細

// 鑷畾涔夋帓搴忚鍒欙細鎸夌収鏁板瓧鐨勪釜浣嶆暟杩涜鎺掑簭
bool customSort(int a, int b) {
    return a % 10 < b % 10;
}

// 浣跨敤鑷畾涔夋帓搴忚鍒欏vector瀹瑰櫒杩涜鎺掑簭
std::sort(vec.begin(), vec.end(), customSort);

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