PAT乙级1058. 选择题（C语言）

PAT乙级真题题解目录

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#include 
#include 
#include 
#include 

typedef struct {//题目 
    int score;//分值  
    int right_cnt;//正确选项个数
    char right[6];//所有正确选项 
    int wrong;//错误的次数
} question; 
int main(){
    int N, M, max_error = 0;//学生人数，多选题个数，最多错误次数 
    scanf("%d %d", &N, &M);
    question q[M+1];
    for(int i = 1; i < M + 1; i++) {//读入多选题 
        int cnt, j = 0;//选项个数（无用） 
        scanf("%d %d %d", &q[i].score, &cnt, &q[i].right_cnt);
        q[i].wrong = 0;//初始化错误的次数
        char c;
        while ((c = getchar()) != '\n') {
            if (isalpha(c)) {
                q[i].right[j] = c;
                j++;
            }
        }
        q[i].right[j] = '\0';
    }
    for (int i = 0; i < N; i++) {//读入解答 
        int grades = 0, cnt, j;//学生得分，选项个数
        for (j = 1; j < M + 1; j++) {
            scanf("(%d", &cnt);
            int k = 0;
            char c, choose[6];
            while ((c = getchar()) != ')') {
                if (isalpha(c)) {
                    choose[k] = c;
                    k++;
                }
            }
            choose[k] = '\0';
            if (cnt == q[j].right_cnt && strcmp(choose, q[j].right) == 0) {//如果正确，加上分数
                grades += q[j].score;
            } else {//错误则统计错误次数 
                q[j].wrong++;
            }
            if (max_error < q[j].wrong) {
                max_error = q[j].wrong;
            }
            getchar();//读入回车或空格
        }
        printf("%d\n", grades);
    }
    if (max_error == 0) {//没有错题 
        printf("Too simple");
    } else {
        printf("%d", max_error);
        for (int i = 1; i < M + 1; i++) {
            if (q[i].wrong == max_error) {
                printf(" %d", i);
            }
        }
    }
    printf("\n");
    return 0;
}