HNU 12844 Arrangement of Contest
2014-07-29 10:11
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#include<bits/stdc++.h> using namespace std; int a[50]; int main() { char s[50]; int n; while(scanf("%d",&n)==1) { memset(a,0,sizeof(a)); getchar(); for(int i=1;i<=n;i++) { gets(s); a[s[0]-'A']++; } int i; for(i=0;i<26;i++) { if(a[i]==0) break; } printf("%d\n",i); } return 0; }
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