沈阳航空航天大学软件课设报告(5)

{ intlenth=0; charce; int a; int b; cstack c; istack i; initstack (c); initstack (i); lenth = strlen(array); for(int n=0;n

{ cpop(c,ce); if(i.ibase==i.itop) { printf(\else

{ ipop(i,b); a=b;

if(i.ibase==i.itop) { printf(\break; } else { ipop(i,a);

if(ce=='+') b=b+a; if(ce=='-') b=b-a; if(ce=='*') b=b*a; if(ce=='/') b=b/a;

ipush(i,b); } } } else

if((array[n]=='+')||(array[n]=='-')||(array[n]=='*')||(array[n]=='/')) { ce=array[n]; cpush(c,ce); }

if(array[n]>='0'&&array[n]<='9') { b=(int)(array[n]-'0'); ipush(i,b); } } ipop(i,b);

if(i.ibase==i.itop)

printf(\式计算结果为：%d\\n\intbuchong() { int i;

intlenth=0; getfun();

lenth = strlen(array); if(lenth==1)

{ if(array[0]>47&&array[0]<58)

printf(\表达式结果为:%d\\n \else

result=0; return 0; } int main() {

char open[5]; do

{ buchong(); if(result==0) jisuan();

printf(\是否退出 ？\\n否请按y,退出请按任意键\gets(open); }

while(open[0]=='y'||open[0]=='Y'); return 0; }