如何将项目添加到具有矢量元素的结构中?

How can I add an item to the structure with vector elements?

我想添加矢量的峰值位置和峰值编号,但我找不到添加元素然后 return 的方法,或者将其写入控制台。

#include <iostream>
#include <vector>

using namespace std;

struct PeakData {
      vector<int> pos, peaks;
};

PeakData pick_peaks(vector<int> v) {
   PeakData result;
   for (int i = 1; i < v.size() - 1; i++) {
       if ((v[i] > v[i - 1]) && (v[i] > v[i + 1])) {
           result.peaks.push_back(v[i]);
            result.pos.push_back(i);
        }
   }
        return result;
}

示例:pickPeaks([3, 2, 3, 6, 4, 1, 2, 3, 2, 1, 2, 3]) 应该 return {pos: [3, 7],峰值:[6, 3]}

将此添加到您的主要功能:

int main()
{

    vector<int> a = {3, 2, 3, 6, 4, 1, 2, 3, 2, 1, 2, 3};
    PeakData stPickPeaks = pick_peaks(a);
    vector<int> :: iterator itr;
    for(itr = stPickPeaks.pos.begin(); itr<stPickPeaks.pos.end(); itr++)
    {
        cout <<*itr<<endl;
    }

    for(itr = stPickPeaks.peaks.begin(); itr<stPickPeaks.peaks.end(); itr++)
    {
        cout <<*itr<<endl;
    }

    return 0;
}

也尝试通过引用或指针传递参数。