White Leather Chapter 2

7.2 It feels so good to do it again-but I didn't test the data qaq

//Program name Digit#include <cstdio>#include<iostream>using namespacestd;intMain () {intA,count=0; CIN>>A;  while(a>0) {a=a/Ten; Count++; } cout<<count; return 0;}

Digit

//Program name Daffodil#include <cstdio>#include<iostream>using namespacestd;intMain () {intA,b,c;  for(a=1; a<=9; a++)         for(b=0; b<=9; b++)             for(c=0; c<=9; C + +)                if(a*a*a+b*b*b+c*c*c== -*a+Ten*B+C) cout<< -*a+Ten*b+c<<"\ n"; return 0;}

Daffodil

//Program name Hanxin#include <cstdio>#include<iostream>using namespacestd;intMain () {intA,b,c,i; CIN>>a>>b>>C;  for(i=Ten; i<= -; i++)        ifI3==a && I%5==b && I%7==c) {cout<<i<<"\ n";  Break; }    if(i==101) cout<<"No Answer"; return 0;}

Hanxin

//Program name Triangle#include <cstdio>#include<iostream>using namespacestd;intMain () {intn,i,j; CIN>>N;  for(i=1; i<=n;i++)    {         for(j=1; j<=i-1; j + +) cout<<" ";  for(j=1; j<=2* (n-i) +1; j + +) cout<<"#"; cout<<"\ n"; }    return 0;}

Triangle

7.3 To adhere to the practice of grammar to lay a solid foundation AH ~

White Leather Chapter 2