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{int i=1,j=2,k=3;
if(i++==1&&(++j==3||k++==3))
printf("%d%d\n",i,j,k,);
}


2¡¢mian()
{int y=10;
while(y--);printf("y=%d\n",y);
}


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{int k=5,n=0;
while(k>0)
{switch(k)
{default:break;
case 1: n+=k;
case 2:
case 3:n+=k;
}k--;
}printf("%d\n",n)£»
}

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{int i=1,j=2,k=3;
if(i++==1&&(++j==3||k++==3))
printf("%d%d\n",i,j,k,);
}
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while(k>0)
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{default:break;
case 1: n+=k;
case 2:
case 3:n+=k;
}k--;
}printf("%d\n",n)£»
}

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main()
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{default:break;
case 1: n+=k;
case 2:n+=k;
case 3:n+=k;
}k--;
}printf("%d\n",n)£»
}
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