[求助]帮改一下
写了几天的一个小程序，
好不容打到TC上， 但有一个错误，只有一个错误，
确找不出错在哪，望各位高手给改一下！感激涕零！
为了不让你眼花，我贴到楼下：
#include<stdio.h> #include<stdlib.h> #include<string.h> #define M 20 #define L 100 struct aa {char name[M]; char word[M]; }user[L]; int n=0;
int jia() {int a,b; randomize(); a=random(100); randomize(); b=random(100); printf("%d+%d=",a,b); return a+b; }
int jian() {int a,b; while(2) {randomize(); a=random(100); randomize(); b=random(100); if(a>=b) break; } printf("%d-%d=",a,b); return a-b; }
int chen() {int a,b; randomize(); a=random(9)+1; randomize(); b=random(9)+1; printf("%d*%d=",a,b); return a*b; }
int chu() {int a,b,c; while(3) {randomize(); a=random(82); randomize(); b=random(9)+1; if(a>=b) break; } c=a%b;a=a-c; printf("%d/%d=",a,b); return a/b; }
void math() {int a,b,n,i;float s=0,k; printf("How many practise do you want to do?\n"); scanf("%d",&n);k=100.0/n; printf("OK,every practise %.2f'\n\n",k); for(i=1;i<=n;i++) {printf("practise %2d: ",i); randomize(); a=random(4); switch(a) {case 0:b=jia();break; case 1:b=jian();break; case 2:b=chen();break; default:b=chu(); } scanf("%d",&a); if(a==b) {printf("OK,very good!\t +%.2f'\n\n",k); s=s+k;} else printf("Sorry,it's wrong!\n\n"); } printf("\n\nThe totall=%.2f'",s); getch(); }
void getpassword(char p[]) {unsigned i=0,j; while((j=getch())!=13&&i<M-1) {p[i++]=j; printf("*"); } p[i]='\0'; printf("\n"); return; }
void list() {int i,j; clrscr(); printf("\n\n"); for(i=1;i<10;i++) {for(j=1;j<=i;j++) printf("%d*%d=%d\t",j,i,j*i); printf("\n"); } printf("\n\nPress any key to return.\n"); getch(); return; }
int save() {FILE *fp; int i; if((fp=fopen("n_file","wb"))==NULL) {printf("Can not open file.\n"); return 0; } if(fwrite(&n,sizeof(int),1,fp)!=1) {printf("Write error!\n"); return 0; } fclose(fp); if((fp=fopen("u_file","wb"))==NULL) {printf("Can not open file.\n"); return 0; } for(i=0;i<n;i++) if(fwrite(&user[i],sizeof(struct aa),1,fp)!=1) {printf("User write error!\n"); return 0; } fclose(fp); printf("Save successfull!\n"); getch(); return 1; }
int load() {FILE *fp; int i; if((fp=fopen("n_file","rb"))==NULL) {printf("Can not open 'n_file'.\n"); return 0; } if(fread(&n,sizeof(int),1,fp)!=1) {printf("'n_file read error!\n"); return 0; } fclose(fp); if((fp=fopen("u_file","rb"))==NULL) {printf("Can not open 'u_file'.\n"); return 0; } for(i=0;i<n;i++) if(fread(&user[i],sizeof(struct aa),1,fp)!=1) {printf("'u_file' read error!\n"); return 0; } fclose(fp); return 1; }
int quit() { char c; if(save()!=1) {printf("The data not save.\n"); printf("Do you want to quite(y/n)?"); c=getchar(); if(c=='y'||c=='Y') return 0; else return 1; } else return 0; }
int textn(char *p) {int i; for(i=0;i<n;i++) if(strcmp(p,user[i].name)==0) break; if(i>=n) i=-1; return i; }
int textw(char *p,int i) { return strcmp(p,user[i].word)==0?1:0; }
int text(char *p,char *q) {int i,j,k=0; i=textn(p); if(i>=0) {j=textw(q,i); if(j==1) k=1; else printf("The password error!\n"); } else printf("The user name is not zhuce.\n"); return k; }
void zhuce() { char a[M],b[2][M]; int i; clrscr(); printf("\tCreate A New User\n\n"); if(n>=M) {printf("The user is full!\n"); printf("Press any key to return.\n"); getch(); return;} printf("Input username:"); gets(a); printf("Input password:"); getpassword(b[0]); printf("Input password:"); getpassword(b[1]); i=textn(a); if(i>=0) printf("The user name had be used!\n"); else if(strcmp(b[0],b[1])==0) {strcpy(user[n].name,a); srtcpy(user[n].word,b[0]); n++; printf("zhuce sucessfull!\n"); } else printf("The two password is not same.\n"); printf("\n\n\nPress any key to return.\n"); getch(); return; }
void other() {int i,flag=1; clrscr(); while(2) { while(3) {printf("\t\tThe Other\n\n"); printf("1.A usefull list.\n"); printf("2.Some math practice.\n"); printf("3.Exit.\n"); printf("\n\n\nPlease choose(1~3):"); scanf("%d",&i); if(i<1||i>3) {printf("choose error!\n"); printf("Press any key to continue.\n"); getch();} else break; } switch(i) {case 1: list(); break; case 2: math(); break; default:flag=0; } if(flag==0) break; } printf("\n\nPress any to return.\n"); getch(); return; }
void sum(int *p,int k) {int i,s=0; for(i=0;i<k;i++) s+=p[i]; printf("The sum=%d .\n",s); return; }
void sort(int *p,int k) {int t,i,j; for(i=0;i<k-1;i++) for(j=i+1;i<k;j++) if(p[i]>p[j]) {t=p[i]; p[i]=p[j]; p[j]=t;} printf("After sort:\n"); for(i=0;i<k;i++) printf("%6d",p[i]); printf("\n"); return; }
void min(int *p,int k) {int i,t=p[0]; for(i=1;i<k;i++) if(t>p[i]) t=p[i]; printf("The min=%d .\n",t); return; }
void max(int *p,int k) {int i,t=p[0]; for(i=1;i<k;i++) if(t<p[i]) t=p[i]; printf("The max=%d .\n",t); return; }
void everage(int *p,int k) {int i;float k=0; for(i=0;i<k;i++) k+=p[i]; k=k/n; printf("The everage=%.2f .\n",k); return; }
void process() {int a[100],b,i,k,flag=1; while(2) {printf("\n\nHow many numbers do you want to process?\n"); scanf("%d",&b); if(b<=0||b>100) printf("Input error!\n"); else break; } printf("Input the numbers:\n"); for(i=0;i<b;i++) {printf("%2d :",i+1); scanf("%d",&a[i]);} printf("\n\nOK,press any key to continue.\n"); getch(); clrscr(); while(3) {clrscr(); while(3) {printf("\tThe Data Process System\n\n"); printf("0.Exit.\n"); printf("1.Sum.\n"); printf("2.Sort.\n"); printf("3.min.\n"); printf("4.max.\n"); printf("5.everage.\n"); printf("\n\n\nPlease choose(0~5):"); scanf("%d",&k); if(k<0||k>5) {printf("Choose error!\n"); printf("Press any key to continue.\n"); getch();} else break; } switch(k) {case 0: flag=0;break; case 1: sum(a,b);break; case 2: sort(a,b);break; case 3: min(a,b);break; case 4: max(a,b);break; default:everage(a,b); } if(flag==0) break; printf("\n\nPress any key to continue.\n"); getch(); } printf("\nPress any key to return.\n"); getch(); return; }
void password() {int i,j; char a[M],b[M],c[2][M]; clrscr(); printf("\t\tModify Password\n\n"); printf("Input username:"); gets(a); printf("Input password:"); getpassword(b); printf("New password:"); getpassword(c[0]); printf("New password:"); getpassword(c[1]); i=text(a,b); if(i) {if(strcmp(c[0],c[1])==0) {j=textn(a); strcpy(user[j].word,c[0]); printf("\nOK,modify password success!\n"); } else printf("The two password is not same.\n"); } printf("\n\nPress any key to return.\n"); getch(); return; }
void denlu() {char a[M],b[M]; int i,k,flag=1; clrscr(); printf("\t\tDen Lu\n\n"); printf("Input username:"); gets(a); printf("Input password:"); getpassword(b); i=text(a,b); if(i) {printf("Load successfull!\n"); printf("\n\nPress any key to continue.\n"); getch(); clrscr();} while(i) {while(2) {printf("%s : Welcome to use this program.\n\n\n"); printf("1.The data process system.\n"); printf("2.Others.\n"); printf("3.Exit.\n"); printf("\n\nPlease choose(1~3):"); scnaf("%d",&k); if(k<1||k>3) {printf("Choose error!\n"); printf("Press any key to continue.\n"); getch();} else break; } switch(k) {case 1: process();break; case 2: Other(); break; default: flag=0; } if(flag==0) break; } printf("Press any key to return.\n"); getch(); return; }
void main() {int i,flag=1; load(); while(1) {clrscr(); while(2) {printf("\t\tA Small Program\n\n"); printf("1.Create a new user.\n"); printf("2.Denlu.\n"); printf("3.Modify password.\n"); printf("4.Close this program.\n"); printf("\n\nPlease choose(1~4):"); scanf("%d",&i); if(i>4||i<1) {printf("Choose error!\n"); printf("Press any key to continue.\n"); getch();} else break; } switch(i) {case 1:zhude();break; case 2:denlu();break; case 3:password();break; default:flag=quit(); } if(flag==0) break; } printf("Thanks for your using!\n"); printf("\nPress any key to close.\n"); getch(); printf("You can close this window.\n"); }
就这么多
