以下的运行结果是 int x=1,y=0,a=0,b=0; switch(x) { case 1: switch(y) { case 0:a++;break; case 1:b++;break; } case 2:a++;b++;break; case 3:a++;b++; } printf("%d,%d",a,b);
A.
1,0
B.
2,2
C.
1,1
D.
2,1
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【简答题】Explain the steps necessary to take advantage of an arbitrage opportunity, which may exist between the dollar and yen, when a future yen payment is required.