#include <iostream> using namespace std; int main() { int a [6]={2,-3,4,-6,-8,10}, i; for (i=0;i<6;i++) { if(a[i]<0) continue; cout<<a[i]<<" "; } cout<<endl; return 0; }
#include <iostream> using namespace std; int main( ){ int y=53,i=0,j,a[8]; do { a[i++]=y%2; y=y/2; }while(y!=0) ; for(j=i-1;j>=0;j--) cout<<a[j]; cout<<endl; return 0; }
#include <iostream> using namespace std; int main( ){ char ch[]={"12yue25ri"}; int i,s=0; for(i=0;ch[i]>='0' && ch[i]<='9';i++) s=10*s+ch[i]-'0'; cout<<s<<endl; return 0; }
#include <iostream> using namespace std; int main( ) { int n=0; char str[80]="Beijing-China 2008"; cout<<str<<endl; while(str[n]!=' ') str[n++]=str[n]>='a'&&str[n]<='z'?str[n]-'a'+'A':str[n]; cout<<str<<endl; return 0; }
#include <iostream> using namespace std; int main( ) { int x[2][3]={5,4,6,7,8,9}; int m[2],i,j; for (i=0;i<2;i++) { m[i]=x[i][0]; for(j=1;j<3;j++) if(x[i][j]<m[i]) m[i]=x[i][j]; } for (i=0;i<2;i++) cout<<m[i]<<endl; return 0; }
#include <iostream> using namespace std; int main( ) { int a[4][4]={1,2,4,7,2,3,5,8,4,5,6,9,7,8,9,10}; int i,j,found=0; for(i=0;j<4;i++) for(j=0;j<=i;j++) if(a[i][j]!=a[j][i]) { found=1; break; } if(found) cout<<"No!"<<endl; else cout<<"Yes!"<<endl; return 0; }
#include <iostream> #include <iomanip> using namespace std; int main() { int a[5][5]={0},i,j,k; k=1; for (i=0;i<5;i++) for (j=i;j>=0;j--) a[j][i-j]=k++; for (i=0;i<5;i++) { for (j=0;j<5-i;j++) cout<<setw(4)<<a[i][j]; cout<<endl; } return 0; }
#include <iostream> using namespace std; void reverse(int a[],int n); int main( ) { int b[10]={1,2,3,4,5,6,7,8,9,10}; int i,s=0; reverse(b,8); for(i=5;i<10;i++) s+=b[i]; cout<<s<<endl; return 0; } void reverse(int a[],int n) { int i,t; for(i=0;i<n/2;i++) { t=a[i]; a[i]=a[n-1-i]; a[n-1-i]=t; } }
#include <iostream> using namespace std; void f(int a[],int i,int j); int main( ) { int b[10]={1,2,3,4,5,6,7,8,9,10}; int i,s=0; f(b,0,9); for(i=5;i<10;i++) s+=b[i]; cout<<s<<endl; return 0; } void f(int a[],int i,int j) { int t; if(i<j) { t=a[i]; a[i]=a[j];a[j]=t; f(a,i+1,j-1); } }
#include <iostream> using namespace std; int f(int n); int main() { cout<<f(5)<<” “; cout<<f(8)<<endl; return 0; } int f(int n) { static int a=2; int b=0; a+=n; b+=a; return b; }
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