ser*_*hii 0 c c++ printf cout format-specifiers
int arrSize = 10;
double* arr = new double [arrSize];
for(int i = 0; i < arrSize; i++){
arr[i] = i;
}
for(int i = 0; i < arrSize; i++){
printf("%d", arr[i]);
//std::cout<<arr[i];
}
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这里
printf() 打印0000000000.cout 打印0123456789.为什么?