C语言代码大全

------------------------------------------------------------------------摘自 宋鲁生 程序设计大赛

乘法口诀表

#include #include void main(void) {

int i,j,x,y; clrscr();

printf(\乘法口诀表 * * * \\n\\n\x=9; y=5;

for(i=1;i<=9;i++) {

gotoxy(x,y); printf(\x+=3; } x=7; y=6;

for(i=1;i<=9;i++) {

gotoxy(x,y); printf(\y++; } x=9; y= 6;

for(i=1;i<=9;i++) {

for(j=1;j<=9;j++) {

gotoxy(x,y);

printf(\y++; } y-=9; x+=3; }

printf(\}

用一维数组统计学生成绩 #include void main() {

char SelectKey,CreditMoney,DebitMoney; while(1) {

do{

clrscr();

puts(\puts(\puts(\puts(\puts(\puts(\

puts(\SelectKey = getch();

}while( SelectKey!='1' && SelectKey!='2' && SelectKey!='3' &&

SelectKey!='4' ); switch(SelectKey) {

case '1':

clrscr();

puts(\puts(\puts(\

puts(\getch(); break; case '2':

do{

clrscr();

puts(\puts(\puts(\puts(\puts(\

puts(\CreditMoney = getch();

}while( CreditMoney!='1' && CreditMoney!='2' && CreditMoney!='3' ); switch(CreditMoney)

{

case '1':

clrscr();

puts(\puts(\puts(\

puts(\getch(); break; case '2':

clrscr();

puts(\puts(\puts(\

puts(\getch(); break; case '3':

break;

} break; case '3':

do{

clrscr();

puts(\puts(\puts(\puts(\puts(\puts(\puts(\

puts(\DebitMoney = getch(); }while( DebitMoney!='1' && DebitMoney!='2' && DebitMoney!='3' &&DebitMoney!='4' && DebitMoney!='5' );

switch(DebitMoney)

{

case '1':

clrscr();

puts(\puts(\puts(\

puts(\getch();

}

}

break; case '2':

clrscr();

puts(\puts(\puts(\

puts(\getch(); break; case '3':

clrscr();

puts(\puts(\puts(\

puts(\getch(); break; case '4':

clrscr();

puts(\puts(\puts(\

puts(\getch(); break; case '5':

break; } break; case '4':

clrscr();

puts(\puts(\puts(\

puts(\return;

模拟ATM（自动柜员机）界面 #include void main() {

int Password=0,Number=0,price=58,i=0; while( Password != 1234 ) {

if( i >= 3 )

return; i++;

puts(\scanf(\} i=0;

while( Number!=price ) {

do{

puts(\scanf(\

printf(\}while( !(Number>=1 && Number<=100) ); if( Number >= 90 ) {

printf(\}

else if( Number >= 70 && Number < 90 ) {

printf(\}

else if( Number >= 1 && Number <= 30 ) {

printf(\}

else if( Number > 30 && Number <= 50 ) {

printf(\} else {

if( Number == price ) {