886 questions
C++ is using ADO to add, search, and update lines for Excel files.I can't just delete it.Is there such a restriction when I specify Excel files in ADO?Cannot identify error.CSstring strFile=_T(C:\\tem...
Ask about the Panasonic 2020 contest C problem.The AC codes are as follows:#include<bits/stdc++.h>using namespace std;typeedef long long ll;typeef pair <int,int>P;// Macro# define REP(i,n)...
I tried to load the json file by incorporating picojson into VisualStudio 2012 C++, but I was not able to load the json file successfully.(The data I want most is multiple two-dimensional arrays in th...
AtCoder Beginner Contest 008 Problem StatementsAn organization held an election to select a leader.The organization consists of N members, each with the most appropriate leader's name. The leader will...
When cross-compiling with UnrealEngine 4, which OS should I use for static and dynamic libraries?For example, let's say you target Linux on Windows.Which operating system is required for static or dyn...
Examples include the following code:#include<filesystem>int main() { std::filesystem::copy_file(./t.txt, ./test/t.txt, std::filesystem::copy_options:overwrite_existing);}./t.txt and ./test are b...
I don't know why the code below is valid for char str [100] = Hello; not char*str = Hello;I understand that I can only put an address in the pointer, but is that not true?Also, does this mean that Hel...
Currently, Cygwin is installing a tool to solve C++-based partial differential equations called DUNE, but when I tried to build it, the following error occurred: 'mkstemp' was not decoded in this scop...
I am trying to build a project file created with Borland C++ Builder 6 that can be partially added to a new project in C++ Builder 10.3.While building the project with three additional files: Main.cpp...
Attempting to build clang in Ubuntu 19.04 environment fails.Why?I am trying to build the C/C++ toolchain from 1.glibc, libc++, libc++abi, llvm seem to have been able to build.I'm trying to build it by...
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