TA貢獻1871條經驗 獲得超8個贊
std::find<algorithm>:
#include <vector>vector<int> vec; //can have other data types instead of int but must same datatype as item std::find(vec.begin(), vec.end(), item) != vec.end()
truefalse
#include <algorithm>#include <vector>if ( std::find(vec.begin(), vec.end(), item) != vec.end() ) do_this();else do_that();
TA貢獻1797條經驗 獲得超6個贊
findfind_ifbinary_search, lower_boundupper_bound
TA貢獻1830條經驗 獲得超3個贊
#include <algorithm>#include <vector>using namespace std;int main(){
typedef vector<int> IntContainer;
typedef IntContainer::iterator IntIterator;
IntContainer vw;
//...
// find 5
IntIterator i = find(vw.begin(), vw.end(), 5);
if (i != vw.end()) {
// found it
} else {
// doesn't exist
}
return 0;}舉報