SW Academy D1 -2

2050. 알파벳을 숫자로 변환

#include <iostream>
#include <vector>
#include <string>
using namespace std;
int main(void){
    string str;
    cin>>str;
    for(int i=0;i<str.length();i++){
        cout << str.at(i)-64<<" ";
    }
}

 

 

1933. 간단한 N 의 약수

#include <iostream>
#include <vector>
#include <string>
using namespace std;
int main(void){
    int n,ans;
    cin>>n;
    for(int i=1;i<=n;i++){
        if(n%i==0){
            cout << i <<" ";
        }
    }
}

 

 

2029. 몫과 나머지 출력하기

#include <iostream>
#include <vector>
#include <string>
using namespace std;
int main(void){
    int tc,a,b,q,r;
    cin>>tc;
    for(int i=1;i<=tc;i++){
        cin>>a>>b;
        q=a/b;
        r=a%b;
        cout <<"#"<<i<<" "<<q<<" "<< r<<endl;
    }
}

 

1936. 1대1 가위바위보

#include <iostream>
#include <cmath>
#include <string>
using namespace std;
int main(void){ //1가위 2바위 3보
    int a,b;
    cin>>a>>b;
    if(abs(b-a)==1){
        cout <<"A"<<endl;
    }else if(abs(b-a)==2){
        cout <<"B"<<endl;
    }
}

 

1938. 아주 간단한 계산기

#include <iostream>
#include <cmath>
#include <string>
using namespace std;
int main(void){
    int a,b;
    cin>>a>>b;
    cout <<a+b<<"\n"<<a-b<<"\n"<<a*b<<"\n"<<a/b<<endl;
}

 

2043. 서랍의 비밀번호

#include <iostream>
#include <cmath>
#include <string>
using namespace std;
int main(void){
	int p,k;
    cin>>p>>k;
    cout << abs(p-k+1)<<endl;
}

 

 

2019. 더블더블

#include <iostream>
#include <cmath>
#include <string>
using namespace std;
int main(void){
    int n,ans=1;
    cin>>n;
    cout << "1 ";
    for(int i=1;i<=n;i++){
        ans*=2;
        cout <<ans<<" ";
    }
}

 

2025. N줄덧셈

#include <iostream>
#include <cmath>
#include <string>
using namespace std;
int main(void){
    int n,sum=0;
    cin>>n;
    for(int i=1;i<=n;i++){
        sum+=i;
    }
    cout <<sum<<endl;
}

 

2027. 대각선 출력하기

#include <iostream>
#include <cmath>
#include <string>
using namespace std;
int main(void){
    for(int i=0;i<4;i++){
        for(int j=0;j<4;j++){
            
            if(j==i){
                cout <<"#";
            }
            cout<<"+";
        }
        cout <<"\n";
    }
    
    
}

 

 

2056. 연월일 달력

#include <iostream>
#include <cmath>
#include <string>
#include <vector>
using namespace std;
int main(void){
    vector<int> days={31,28,31,30,31,30,31,31,30,31,30,31};
    int tc;
    string str;
    cin>>tc;
    for(int t=1;t<=tc;t++){
        cin>>str;
        int year, mth,day;
        year=stoi(str.substr(0,4));  // 0, 0+4
        mth=stoi(str.substr(4,2));
        day=stoi(str.substr(6,2));
        
        cout <<"#"<<t<<" ";
        if(1<=mth &&mth<=12 && 1<=day && day<=days[mth-1]){
            cout <<str.substr(0,4)<<"/"<<str.substr(4,2)<<"/"
            <<str.substr(6,2)<<endl;
        }else{
            cout <<-1<<endl;
        }
    }
    
}