在移植uboot到全志H3时,出现了错误: Saving Environment to FAT… Card did not respond to voltage select! 判定与MMC有关。
同时还有报错: Error: ethernet1c30000 address not set. No ethernet found. 查看源码发现这与环境变量有关&am…
solution
测试点2:物品编号可能不足四位,高位需补0
#include<iostream>
#include<string>
using namespace std;
const int maxn 1e5;
int flag[maxn] {0};
int main(){int n, m, k, cnt 0, cnt1 0, have, x;string id;cin >> n >> m…