题库2.zip

#include<stdio.h> int main() { int a,b,c,i,sum; char p,q,x,y,z,w; scanf("%d %d %d\n",&a,&b,&c); scanf("%c %c\n",&p,&q); scanf("%c %c %c %c",&x,&y,&z,&w); if((a>=1&&a<=100)&&(b>=1&&b<=100)&&(c>=1&&c<=100)) {if((p=='+'||p=='-'||p=='*')&&(q=='+'||q=='-')) { if(p=='+') i=a+b; else if(p=='-') i=a-b; else if(p=='*') i=a*b; if(q=='+') sum=i+c; else sum=i-c; } if((p=='+'||p=='-')&&(q=='*')) { if(q=='*') i=b*c; if(p=='+') sum=a+i; if(p=='-') sum=a-i;} if(p=='*'&&q=='*') sum=a*b*c; switch(x) { case 'D': printf("%d",a);break; case 'H': printf("%#X",a);break; case 'O': printf("%#o",a);break; default: printf("error\n");} printf("%c",p); switch(y) { case 'D': printf("%d",b);break; case 'H': printf("%#X",b);break; case 'O': printf("%#o",b);break; default: printf("error\n");} printf("%c",q); switch(z) { case 'D': printf("%d",c);break; case 'H': printf("%#X",c);break; case 'O': printf("%#o",c);break; default: printf("error\n");} printf("="); switch(w) { case 'D': printf("%d",sum);break; case 'H': printf("%#X",sum);break; case 'O': printf("%#o",sum);break; default: printf("error\n");} } return 0; }