Codeforces 755B???PolandBall and Game???map+?????????
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?????????map main stack targe code str name algorithm algo
http://codeforces.com/problemset/problem/755/B
?????????A????????????n???????????????B????????????m????????????????????????????????????????????????????????????????????????????????????A?????????????????????????????????????????????
????????????map??????A???B????????????????????????????????????A?????????????????????B?????????????????????????????????????????????cnt / 2?????????????????????A????????????????????????????????????????????????????????????n<=m???A????????????A??????????????????????????????A?????????B??????????????????A?????????
1 #include <cstdio> 2 #include <cstring> 3 #include <cmath> 4 #include <cstdlib> 5 #include <algorithm> 6 #include <string> 7 #include <iostream> 8 #include <stack> 9 #include <map> 10 #include <queue> 11 #include <set> 12 using namespace std; 13 typedef long long LL; 14 #define N 100010 15 #define INF 0x3f3f3f3f 16 string s1[1010]; 17 string s2[1010]; 18 map<string, int> mp; 19 20 int main() 21 { 22 int n,m; 23 cin >> n >> m; 24 for(int i = 1; i <= n; i++) cin >> s1[i]; 25 for(int i = 1; i <= m; i++) cin >> s2[i]; 26 int f = 0; 27 for(int i = 1; i <= n; i++) mp[s1[i]] = 1; 28 for(int i = 1; i <= m; i++) if(mp[s2[i]]) f++; 29 n -= (f / 2); m -= (f - f / 2); 30 if(n > m) puts("YES"); 31 else puts("NO"); 32 return 0; 33 }
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