Codeforces Round #295 (Div. 2) A. Pangram
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#include<iostream>#include<cstring>#include<cstdio>using namespace std;int main(){//freopen("i.txt","r",stdin);//freopen("o.txt","w",stdout);int a[26];memset(a,0,sizeof(a));char s[200];int n;scanf("%d",&n);scanf("%s",s);for(int i=0;s[i]!='\0';i++){if(s[i]>='A'&&s[i]<='Z'){s[i]+=32;}}for(int i=0;s[i]!='\0';i++){a[s[i]-'a']=1;}int ok=0;for(int i=0;i<26;i++){if(a[i]==0){ok=1;break;}}if(ok)printf("NO\n");elseprintf("YES\n");return 0;}
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