jieshiqi.zip_C语言解释器

#include<stdio.h> #include<stdlib.h> #include<string.h> main() { int N,n; int mem[1005],m,count=0; int t,a1,a2,k; char me[4]; int reg[10]; scanf("%d",&N); getchar(); getchar(); for(n=0;n<N;n++) {m=0; if(n<N-1) while(gets(me),me[0]!='\0')mem[m++]=atoi(me); else while(scanf("%s",me)!=EOF)mem[m++]=atoi(me); count=0;k=0; memset(reg,0,sizeof(reg)); for(count=0;;count++) { t=mem[k]/100; a1=mem[k]%100/10; a2=mem[k]%10; k++; switch(t) { case 1:goto x; case 2:reg[a1]=a2; break; case 3:reg[a1]=(reg[a1]+a2)%1000; break; case 4:reg[a1]=(reg[a1]*a2)%1000; break; case 5:reg[a1]=reg[a2]; break; case 6:reg[a1]=(reg[a1]+reg[a2])%1000; break; case 7:reg[a1]=(reg[a1]*reg[a2])%1000; break; case 8:reg[a1]=mem[reg[a2]]; break; case 9:mem[reg[a2]]=reg[a1]; break; case 0:if(reg[a2]) k=reg[a1]; break; } } x: printf("%d\n",count+1); if(n<N-1) printf("\n"); } system("pause"); }