SRM490 Div2 Easy(250) LuckyCounter
#include <string> #include <vector> using namespace std; class LuckyCounter{public: int countLuckyMoments( vector <string> moments ) { int ans = 0; for ( vector<string>::iterator m=moments.begin(); m!=moments.end(); m++ ) if ( (*m)[0] == (*m)[3] && (*m)[1] == (*m)[4] || (*m)[0] == (*m)[1] && (*m)[3] == (*m)[4] || (*m)[0] == (*m)[4] && (*m)[1] == (*m)[3] ) ans++; return ans; }};