uva 594

From Evernote:

594

貌似是印地安的INT轉換方式
四個位元組全部倒反
一開始卡住不過還是AC

[sourcecode language="cpp"]

//============================================================================
// Name : One Little, Two Little, Three Little Endians2.cpp
// Date : 2013 2013/1/28 上午12:08:13
// Author : GCA
//============================================================================
#include <iostream>
#include <cstdio>
#include <cstring>
#include <algorithm>
#include <cmath>
#include <climits>
#include <vector>
#include <set>
#include <map>
#include <queue>
#include <cctype>
#include <utility>
using namespace std;
typedef long long ll;
typedef unsigned int uint;
#define Set(a,s) memset(a,s,sizeof(a))
#define Write(w) freopen(w,"w",stdout)
#define Read(r) freopen(r,"r",stdin)
#define Pln() printf("\n")
#define I_de(x,n)for(int i=0;i<n;i++)printf("%d ",x[i]);Pln()
#define De(x)printf(#x"%d\n",x)
#define For(i,x)for(int i=0;i<x;i++)
#define CON(x,y) x##y
#define Pmz(dp,nx,ny)for(int hty=0;hty<ny;hty++){for(int htx=0;htx<nx;htx++){\
printf("%d ",dp[htx][hty]);}Pln();}
#define M 100005
#define PII pair<int,int>
#define PB push_back
#define oo INT_MAX
#define Set_oo 0x3f
#define Is_debug true
#define debug(...) if(Is_debug)printf("DEBUG: "),printf(__VA_ARGS__)

using namespace std;
int min3(int x,int y,int z){
int tmp=min(x,y);
return min(tmp,z);
}
int max3(int x,int y,int z){
int tmp=max(x,y);
return max(tmp,z);
}
int x[32];
int nx[32];
int n;
int ans;
int main() {
ios_base::sync_with_stdio(0);
while(~scanf("%d",&n)){
Set(x,0);
Set(nx,0);
ans=0;
for(int i=0;i<32;i++){
if(n&(1<<i))x[i]=1;
else x[i]=0;
}
memcpy(nx,x,sizeof(x));
for(int i=0,j=24;j<32;i++,j++)nx[i]=x[j];
for(int i=8,j=16;j<24;i++,j++)nx[i]=x[j];
for(int i=16,j=8;j<16;i++,j++)nx[i]=x[j];
for(int i=24,j=0;j<8;i++,j++)nx[i]=x[j];
for(int i=31;i>=0;i--) ans|=(nx[i]<<(i));
printf("%d converts to %d\n",n,ans);
}

}

[/sourcecode]