关于inf的问题

 1 #include<algorithm>
 2 #include<iostream>
 3 #include<cstring>
 4 #include<cstdio>
 5 #include<vector>
 6 #include<queue>
 7 #include<cctype>
 8 #define INF 0x3f3f3f3f
 9 using namespace std;
10 int main(){
11     freopen("01.txt","w",stdout);
12     int a[101];
13     memset(a,127/3,sizeof(a));
14     cout<<a[0]<<endl;
15     cout<<0x3f3f3f3f<<endl<<0x7fffffff<<endl<<(1<<30);
16     return 0;
17 }