Codeforces Round #507 (Div. 2, based on Olympiad of Metropolises)
题目链接:https://codeforces.com/contest/1040A-PalindromeDanceintx[1005];voidtest_case(){intn,a,b;scanf("%d%d%d",&n,&a,&b);for(inti=1;i=n)break;}printf("%d\n",c);for(inti=1;i=i\),然后会在这组数据翻车:102001001011031