vector最大値最小値を探す
他の人のコードを参照:
#include
#include
#include
using
namespace
std;
struct
VectorPred
{
bool
operator()(
const
vector<
int
>& lhs,
const
vector<
int
>& rhs)
{
return
*max_element(lhs.begin(), lhs.end())
}
};
int
main()
{
int
testArray1[5] = {3, 6, 8, 2, 1};
int
testArray2[5] = {3, 6, 8, 10, 1};
int
testArray3[5] = {1, 6, 8, 2, 100};
vector<
int
> vec1(testArray1, testArray1 + 5);
vector<
int
> vec2(testArray2, testArray2 + 5);
vector<
int
> vec3(testArray3, testArray3 + 5);
vector
int
> > testData;
testData.push_back(vec1);
testData.push_back(vec2);
testData.push_back(vec3);
vector
int
> >::iterator maxIt = max_element(testData.begin(), testData.end(), VectorPred());
int
maxElement = *max_element(maxIt->begin(), maxIt->end());
cout <
}
のコード:
struct VectorPred{bool operator()(const vector& lhs, const vector& rhs){return *max_element(lhs.begin(), lhs.end()) < *max_element(rhs.begin(), rhs.end());}};struct VectorPred2{bool operator()(const vector& lhs, const vector& rhs){return *min_element(lhs.begin(), lhs.end()) < *min_element(rhs.begin(), rhs.end());}};vector >::iterator maxIt = max_element(tp.begin(), tp.end(), VectorPred());double maxElement = *max_element(maxIt->begin(), maxIt->end());maxElement = maxElement/255;if (maxElement>0.99)maxElement = 0.99;cout ::iterator minIt = min_element(tp.begin(), tp.end(), VectorPred2());double minElement = *min_element(minIt->begin(), minIt->end());minElement = (minElement/255.0);if (minElement<0.001)minElement = 0.001;cout <