class Pred{
public:
bool operator()(int a){
if(a>=6&&a<=7)
return true;
return false;
}
};
void f(pair<int,int> p)
{
cout<<p.first<<" ";
}
int main(){
int a[]={1,2,3,4,5,6,7,8,9,10};
list<int> b=list<int>();
b.assign(a,a+10);
vector<int> d;
d.assign(a,a+10);
map<int,int> c=map<int,int>();
for(list<int>::iterator it=b.begin();it!=b.end();it++){
c[*it]=*it;
}
//删除8,9
for(list<int>::iterator it=b.begin();it!=b.end();){
if(*it>=8&&*it<10){
it=b.erase(it);
}else{
it++;
}
}
//删除5,6,注意这种写法只适应于list,不适应于vector,因为vector没有remove_if方法
b.erase(remove_if(b.begin(),b.end(),Pred()),b.end());
//删除3,4
for(vector<int>::iterator it=d.begin();it!=d.end();){
if(*it>=3&&*it<=4){
it=d.erase(it);
}else{
it++;
}
}
ostream_iterator<int> os(cout," ");
copy(b.begin(),b.end(),os);
cout<<endl;
copy(d.begin(),d.end(),os);
cout<<endl;
//删除5,6
for(map<int,int>::iterator it=c.begin();it!=c.end();){
if((*it).first>=5&&(*it).first<=6){
c.erase(it++);
}
else{
it++;
}
}
for_each(c.begin(),c.end(),f);
}
public:
bool operator()(int a){
if(a>=6&&a<=7)
return true;
return false;
}
};
void f(pair<int,int> p)
{
cout<<p.first<<" ";
}
int main(){
int a[]={1,2,3,4,5,6,7,8,9,10};
list<int> b=list<int>();
b.assign(a,a+10);
vector<int> d;
d.assign(a,a+10);
map<int,int> c=map<int,int>();
for(list<int>::iterator it=b.begin();it!=b.end();it++){
c[*it]=*it;
}
//删除8,9
for(list<int>::iterator it=b.begin();it!=b.end();){
if(*it>=8&&*it<10){
it=b.erase(it);
}else{
it++;
}
}
//删除5,6,注意这种写法只适应于list,不适应于vector,因为vector没有remove_if方法
b.erase(remove_if(b.begin(),b.end(),Pred()),b.end());
//删除3,4
for(vector<int>::iterator it=d.begin();it!=d.end();){
if(*it>=3&&*it<=4){
it=d.erase(it);
}else{
it++;
}
}
ostream_iterator<int> os(cout," ");
copy(b.begin(),b.end(),os);
cout<<endl;
copy(d.begin(),d.end(),os);
cout<<endl;
//删除5,6
for(map<int,int>::iterator it=c.begin();it!=c.end();){
if((*it).first>=5&&(*it).first<=6){
c.erase(it++);
}
else{
it++;
}
}
for_each(c.begin(),c.end(),f);
}