c - 我正在尝试使用 C 编程制作一个包含 500 个问题的测验

#include<stdio.h> #include<conio.h> #include<ctype.h> #include<stdlib.h> #include<string.h> #include<time.h> struct Units { char q[10][30]; char a[10][30]; char in[10][30]; int r[30]; }; int main() { time_t start,end; struct Units u[5]; int b[3],c=1,d=1,e,f,i,sec,m=0; strcpy(u[1].q[1]," 1 Press true"); strcpy(u[1].a[1],"true"); strcpy(u[1].q[2],"2 Press false"); strcpy(u[1].a[2],"false"); strcpy(u[1].q[3],"3 Press true"); strcpy(u[1].a[3],"true"); strcpy(u[1].q[4],"4 Press false"); strcpy(u[1].a[4],"false"); strcpy(u[1].q[5],"5 Press true"); strcpy(u[1].a[5],"true"); strcpy(u[1].q[6],"6 Press false"); strcpy(u[1].a[6],"false"); strcpy(u[1].q[7],"7 Press true"); strcpy(u[1].a[7],"true"); strcpy(u[1].q[8],"8 Press false"); strcpy(u[1].a[8],"false"); strcpy(u[2].q[1],"9 Press true"); strcpy(u[2].a[1],"true"); strcpy(u[2].q[2],"10 Press false"); strcpy(u[2].a[2],"false"); strcpy(u[2].q[3],"11 Press true"); strcpy(u[2].a[3],"true"); strcpy(u[2].q[4],"12 Press false"); strcpy(u[2].a[4],"false"); strcpy(u[2].q[5],"13 Press true"); strcpy(u[2].a[5],"true"); strcpy(u[2].q[6],"14 Press false"); strcpy(u[2].a[6],"false"); strcpy(u[2].q[7],"15 Press true"); strcpy(u[2].a[7],"true"); strcpy(u[2].q[8],"16 Press false"); strcpy(u[2].a[8],"false"); strcpy(u[3].q[1]," 1 Click true"); strcpy(u[3].a[1],"true"); strcpy(u[3].q[2],"2 Click false"); strcpy(u[3].a[2],"false"); strcpy(u[3].q[3],"3 Click true"); strcpy(u[3].a[3],"true"); strcpy(u[3].q[4],"4 Click false"); strcpy(u[3].a[4],"false"); strcpy(u[3].q[5],"5 Click true"); strcpy(u[3].a[5],"true"); strcpy(u[3].q[6],"6 Click false"); strcpy(u[3].a[6],"false"); strcpy(u[3].q[7],"7 Click true"); strcpy(u[3].a[7],"true"); strcpy(u[3].q[8],"8 Click false"); strcpy(u[3].a[8],"false"); strcpy(u[4].q[1],"9 Click true"); strcpy(u[4].a[1],"true"); strcpy(u[4].q[2],"10 Click false"); strcpy(u[4].a[2],"false"); strcpy(u[4].q[3],"11 Click true"); strcpy(u[4].a[3],"true"); strcpy(u[4].q[4],"12 Click false"); strcpy(u[4].a[4],"false"); strcpy(u[4].q[5],"13 Click true"); strcpy(u[4].a[5],"true"); strcpy(u[4].q[6],"14 Click false"); strcpy(u[4].a[6],"false"); strcpy(u[4].q[7],"15 Click true"); strcpy(u[4].a[7],"true"); strcpy(u[4].q[8],"16 Click false"); strcpy(u[4].a[8],"false"); strcpy(u[5].q[1],"9 Type true"); strcpy(u[5].a[1],"true"); strcpy(u[5].q[2],"10 Type false"); strcpy(u[5].a[2],"false"); strcpy(u[5].q[3],"11 Type true"); strcpy(u[5].a[3],"true"); strcpy(u[5].q[4],"12 Type false"); strcpy(u[5].a[4],"false"); strcpy(u[5].q[5],"13 Type true"); strcpy(u[5].a[5],"true"); strcpy(u[5].q[6],"14 Type false"); strcpy(u[5].a[6],"false"); strcpy(u[5].q[7],"15 Type true"); strcpy(u[5].a[7],"true"); strcpy(u[5].q[8],"16 Type false"); strcpy(u[5].a[8],"false"); b[0]=0; printf("\nWhich three units you would like the quiz of\n"); unitchecker:for(i=1;i<4;i++) { scanf("%d",&b[i]); } if(b[1]==b[2]||b[2]==b[3]||b[3]==b[1]) { printf("\nYou have entered a unit more than once please try again\n"); goto unitchecker; } while(c<4) { start=time(NULL); srand(time(0)); e=0; while(e<9 && sec<600) { u[b[c]].r[d]=rand()%7+1; printf("\n%s\n",u[b[c]].q[u[b[c]].r[d]]); scanf("%s",u[b[c]].in[u[b[c]].r[d]]); strlwr(u[b[c]].in[u[b[c]].r[d]]); end=time(NULL); sec=end-start; if(strcmp(u[b[c]].in[u[b[c]].r[d]],u[b[c]].a[u[b[c]].r[d]])==0 && sec<600) { printf("\nYou are correct\n"); m++; } else if ( sec>=600) { printf("\nYou are too slow\n"); strcpy(u[b[c]].in[u[b[c]].r[d]],"slow"); } else { printf("\nYour answer is wrong\n"); printf("\nThe correct answer is %s\n",u[b[c]].a[u[b[c]].r[d]]); } e++; d++; } c++; } printf("\nYour score is %d\n",m); printf("\nReview\n"); c=1,d=1; while(c<4) { printf("\nReveiw from unit %d\n",b[c]); for(e=0;e<8;e++) { if(strcmp(u[b[c]].in[u[b[c]].r[d]],"\0")!=0) { printf("\nQuestion %d %s\n",c,u[b[c]].q[u[b[c]].r[d]]); printf("\nCorrect answer %s\n",u[b[c]].a[u[b[c]].r[d]]); printf("\nYour answer %s\n",u[b[c]].in[u[b[c]].r[d]]); } d++; } c++; } return 0; }