写出下面程序的执行结果。main( ){ int x,y=1; if(y!=0) printf(“%d\t”,x); if(y= =0) else printf(“%d\t\n”,x);}

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【单选题】【消耗次数：1】

① 1 3

② 1 5

③ 5 3

④ 5 5

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