题目 题意: 给定长度为n的数组a、b,判断能否将A变成B。你可以执行无限次operation: 选择i(11,i = l,j = mid+1; int idx = 0; Merge_sort(a,l,mid),Merge_sort(a,mid+1,r); while(i
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题目 题意: 给定长度为n的数组a、b,判断能否将A变成B。你可以执行无限次operation: 选择i(11,i = l,j = mid+1; int idx = 0; Merge_sort(a,l,mid),Merge_sort(a,mid+1,r); while(i
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