题解 | #配置文件恢复#

#include <stdio.h>
#include <string.h>
int main() {
    char command[6][2][22] = { 0 };
    char result[7][22] = { 0 };
    strcpy(command[0][0], "reset");
    strcpy(command[1][0], "reset");
    strcpy(command[2][0], "board");
    strcpy(command[3][0], "board");
    strcpy(command[4][0], "reboot");
    strcpy(command[5][0], "backplane");
    strcpy(command[1][1], "board");
    strcpy(command[2][1], "add");
    strcpy(command[3][1], "delete");
    strcpy(command[4][1], "backplane");
    strcpy(command[5][1], "abort");
    strcpy(result[0], "reset what");
    strcpy(result[1], "board fault");
    strcpy(result[2], "where to add");
    strcpy(result[3], "no board at all");
    strcpy(result[4], "impossible");
    strcpy(result[5], "install first");
    char word = getchar();
    while (word!= EOF)
    {
        char input[21] = { 0 };
        char std[2][21] = {0};
        int c = 0;
        int k = 0;
        int i = 0;
        for (i = 0; word != '\n'; i++)
        {
            input[i] = word;
            word = getchar();
        }
        for (i = 0;input[i]!=' '&&input[i]!=0; i++)
        {
            std[0][c++] = input[i];
        }
        strcpy(std[1], input + i+1);
        memset(input, 0, sizeof(input));
        int flag = strcmp(input, std[1]);
        if (flag == 0)
        {
            char* p = strstr(command[0][0], std[0]);
            if (p==&command[0][0][0])
                printf("%s\n", result[0]);
            else
                printf("unknown command\n");
        }
        else {
            int flag2 = 0;
            int p1 = 0;
            for (int i = 1; i <= 5; i++)
            {
                char* q = strstr(command[i][0], std[0]);
                if (q == &command[i][0][0])
                {
                    char* q2 = strstr(command[i][1], std[1]);
                    if (q2 == &command[i][1][0])
                    {
                        p1 = i;
                        flag2++;
                    }
                }
            }
            if (flag2 == 1)
            {
                printf("%s\n", result[p1]);
            }
            else {
                printf("unknown command\n");
            }
        }
        word = getchar();
    }
    return 0;
}