Codeforces Round #686 (Div. 3) 题解

题目连接：Codeforces Round #686 (Div. 3) A. Special Permutation 总体向后循环移一位html int main() { int t; cin >> t; while(t--) { int n; cin >> n; for(int i=1;i<=n;i++) { if((i+1)%(

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