25 此程式片段執行結果為何?int sum = 0, i, x = 1 ; for(i = 5; i > 0; i--) { sum = sum + x; if(x > 0) x=x+1; else
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25 此程式片段執行結果為何? int sum = 0, i, x = 1 ; for(i = 5; i > 0; i--) { sum = sum + x; if(x > 0) x=x+1; else x=x–1; x = -x ; } print(sum); (A)2 (B)-2 (C)3 (D)-3