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Example
寻找vector中的最小值，并记录这个最小值出现的次数。
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#include <iostream>
#include <string>
#include <vector>
using std::cin;
using std::cout;
using std::endl;
using std::string;
using std::vector;
int ()
{
vector<int> ivec;
for (size_t i = 0; i < 10; i++)
{
ivec.push_back(i);
}
ivec[0] = ivec[1] = 3;
ivec[5] = ivec[8] = 0;
int min_val = ivec[0];
int min_cnt = 0;
for (size_t i = 0; i < ivec.size(); i++)
{
cout << ivec[i] << endl;
if (min_val == ivec[i])
{
++min_cnt;
}
else if (min_val > ivec[i])
{
min_val = ivec[i];
min_cnt = 1;
}
}
cout <<"min value: "<< min_val <<", count: "<< min_cnt << endl;
return 0;
}
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outputs
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3
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0
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0
9
min value: 0, count: 2
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END.
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