1. INF
1 const int INF=0x3f3f3f3f; 2 memset(a,0x3f,sizeof a);
2. 行内空格,行末换行
1 for (int i=0;i<n;i++) { 2 printf("%d%c",arr[i]," \n"[i==n-1]); 3 }
1. INF
1 const int INF=0x3f3f3f3f; 2 memset(a,0x3f,sizeof a);
2. 行内空格,行末换行
1 for (int i=0;i<n;i++) { 2 printf("%d%c",arr[i]," \n"[i==n-1]); 3 }