for(initialization;test-expression;update-expression)
body
5.2whilewhile(test-condition)
body
5.3 do whiledo
body
while(test-expression)
5.4基于范围的for循环(C++11)int num[5] = {1,2,3,4,5};
for(auto e:num)
cout << e <

for(initialization;test-expression;update-expression)
body
5.2whilewhile(test-condition)
body
5.3 do whiledo
body
while(test-expression)
5.4基于范围的for循环(C++11)int num[5] = {1,2,3,4,5};
for(auto e:num)
cout << e <