include

include

include

include

include

include

using namespace std; int main(){ int n,t,s=0; cin>>n; int a[1001]; memset(a,0,sizeof(a)); for(int i=0;i>t; a[t]++; } for(int i=0;i<1001;i++){ if(a[i]>0){ s++; } } cout<0){ cout<<i<<" "; } } return 0; }

https://haokan.baidu.com/v?pd=wisenatural&vid=11563561118799565427

http://go.helloworldroom.com:50080/problem/3829

include

include

using namespace std; int main(){ int a=0,c=0,d=0,e=0; char b[20]; for(int i=0;i<20;i++){ cin>>b[i]; } for(int i=0;i<20;i++){ if(b[i]=='A'){ a+=1; }else if(b[i]=='B'){ c+=1; }else if(b[i]=='C'){ d+=1; }else if(b[i]=='D'){ e+=1; } }cout<<a<<" "<<c<<" "<<d<<" "<<e; return 0; }