对拍基础模板

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1 :loop2   c.exe3   a.exe4   b.exe5   fc a.out b.out6   if %errorlevel%==0 goto loop7 pause

批处理文件(.bat)

以排序为例

a.cpp

 1 #include <iostream> 2 using namespace std; 3 int i,j,a[100005],n; 4 int main() 5 { 6     freopen("a.in","r",stdin); 7     freopen("a.out","w",stdout); 8     scanf("%d",&n); 9     for (i=1; i<=n; i++) cin>>a[i];10     for (i=1; i<=n; i++)11       for (j=i+1; j<=n; j++)12         if (a[i]<a[j])13           swap(a[i],a[j]);14     for (i=1; i<=n; i++) cout<<a[i]<<' ';15     return 0;16 }

b.cpp

 1 #include <iostream> 2 #include <algorithm> 3 using namespace std; 4 int i,j,a[100005],n; 5 int cmp(int i,int j) {return i>j;} 6 int main() 7 { 8     freopen("a.in","r",stdin); 9     freopen("b.out","w",stdout);10     scanf("%d",&n);11     for (i=1; i<=n; i++) cin>>a[i];12     sort(a+1,a+n+1,cmp);13     for (i=1; i<=n; i++) cout<<a[i]<<' ';14     return 0;15 }

c.cpp

 1 #include <iostream> 2 #include <algorithm> 3 #include <ctime> 4 using namespace std; 5 int main() 6 { 7     freopen("a.in","w",stdout); 8     srand((unsigned)time(NULL)); 9     int n=rand()%1000+1;10     cout<<n<<endl;11     for (int i=1; i<=n; i++)12       cout<<rand()%10000+1<<' ';13     return 0;14 }

原文见快乐永恒 ~