:for(a=1,b=1;a=20) break; if(b%3==1) {b+=3; continue;
for (a=1,b=1;a=20) break; if(b%3==1) {b+=3; continue;} b-=5;
for (a=1,b=1;a=20) break;if(b%3==1){b+=3; continue;}b-=5;
int a,b; for(a=1,b=1;a=10) break; if(b%3==1) {b+=3;continue;
:for(a=1,b=1;a=20) break; if(b%3==1) {b+=3; continue;
{int a,b; for(a=1,b=1;a=20) break; if(b%3==1) {b+=3; continu
main( ){int a,b;for(a=1,b=1;a=20)break;if(b%3==1){b+=3;conti
switch(a*a+b*b); { case 3 :case 1 :y=a+b; break; case 0 :y=b
4、for (a=1,b=1;a=20) break;
A=B+B+B+B+B+B+B+B+B+B+B+B+B+B+B A-B×3=C C+2×7+2=1
for(y=1,x=1;y=10) break; if (x%3==1) {x+=5;continue;} x+=3;
int a =1,b=0; if(--a) b++; else if (a=0)b+=2; else b+=3; b等于
int a=1,b=2,c=3;if(a>b)a=b;if(a>c)a=c;则a的值为3.