题源

PTA 乙级

题解

#include<stdio.h>
#include<string.h>
int N,M,n;
int flag = 0;
int student = 0,object = 0;
char key[6][5];
char own[5];
char name[5];
int main(){
    scanf("%d %d",&N,&M);
    int i = 0,j = 0;
    for(i = 0;i < M;i++)scanf("%s",&key[i]);
    for(i = 0;i < N;i++){
        scanf("%s %d",&name,&n);
        for(flag = 0;n--;){
            scanf("%s",&own);
            for(j = 0;j < M;j++){
                if(strcmp(own,key[j])==0){
                    if(flag==0){
                        printf("%s:",name);
                        student++;flag++;
                    }
                    printf(" %s",own);
                    object++;
                }
            }
        }if(flag!=0)printf("\n");
    }
    printf("%d %d\n",student,object);
    getchar();getchar();
    return 0;
}