?? chapter6-23.cpp
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//文件名:CHAPTER6-23.cpp
#include <vector>
#include <iostream>
int main()
{std::vector<int> c1, c2, c3, c4 ;
int i ;
for (i = 0; i < 10; i++)
{ c1.push_back(i) ;
c2.push_back(i*i) ;
c3.push_back(i*i*i) ;
c4.push_back(i) ;
}
if (c1 == c4) std::cout << "c1 == c4" << std::endl ;
if (c2 != c3) std::cout << "c2 != c3" << std::endl ;
if(c2 < c3) std::cout << "c2 < c3" << std::endl ;
if(c3 > c2) std::cout << "c3 > c2" << std::endl ;
c4.push_back(29) ;
if (c1 <= c4) std::cout << "after c4.push_back(29), c1 <= c4" << std::endl ;
if (c3 >= c2) std::cout << "c3 >= c2" << std::endl ;
std::swap(c3, c2) ;
std::cout << "after swapping c3 with c2, " ;
if (c3 >= c2) std::cout << "c3 >= c2" << std::endl ;
else std::cout << "c3 < c2" << std::endl ;
return 0 ;
}
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