#include #include #include #include #include #include #include #include #include #include using namespace std; #define FOR(i,a,b) for (int i=(a);i<(b);i++) #define RFOR(i,a,b) for (int i=(b)-1;i>=(a);i--) #define REP(i,n) for (int i=0;i<(n);i++) #define RREP(i,n) for (int i=(n)-1;i>=0;i--) #define INF 1<<30 #define MP make_pair #define mp make_pair #define pb push_back #define PB push_back #define DEBUG(x) cout<<#x<<": "<> s; int upcount = 0, leftcount = 0; for(char c : s) { switch(c) { case 'N': upcount++; break; case 'S': upcount--; break; case 'W': leftcount++; break; case 'E': leftcount--; break; } } double res = 0; res = sqrt(pow(upcount, 2.0) + pow(leftcount, 2.0)); cout << res << endl; return 0; }