reverse函数:
#define dbg(args...) cout<<#args<<" : "<<args<<endl; char s[5]="sacd"; dbg(s); reverse(s,s+4); dbg(s); string ss="abcde"; reverse(ss.begin(),ss.end()); dbg(ss);
结果:
s : sacd
s : dcas
ss : edcba
upper_bound函数:
#define dbg(args...) cout<<#args<<" : "<<args<<endl; int x[5]={0,3,5,8,9}; int pos=upper_bound(x+1,x+5,5)-x; dbg(pos); dbg(x[pos]);
结果:
pos : 3
x[pos] : 8
lower_bound函数:
#define dbg(args...) cout<<#args<<" : "<<args<<endl; int x[5]={0,3,5,8,9}; int pos=lower_bound(x+1,x+5,5)-x; dbg(pos); dbg(x[pos]);
结果:
pos : 2
x[pos] : 5