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トップに関する質問C++ stringを使用するとcoutが動作しない

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3

ご依頼頂いたコンパイル方法の実行結果を追記しました。

2021/04/20 01:01

投稿

progokina8
progokina8

スコア4

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  ```
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+ （追記）g++ -o a.exe -v -Wall -Wextra -pedantic -std=c++17 demo.cppの実行結果は以下の通りです。ただし、***はユーザー名です。
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+ ```
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+ Using built-in specs.
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+ COLLECT_GCC=C:\MinGW\bin\g++.exe
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+
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+ COLLECT_LTO_WRAPPER=c:/mingw/bin/../libexec/gcc/mingw32/9.2.0/lto-wrapper.exe
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+ Target: mingw32
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+ Configured with: ../src/gcc-9.2.0/configure --build=x86_64-pc-linux-gnu --host=mingw32
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+ --target=mingw32 --disable-win32-registry --with-arch=i586 --with-tune=generic --enable-static --enable-shared --enable-threads --enable-languages=c,c++,objc,obj-c++,fortran,ada --with-dwarf2 --disable-sjlj-exceptions --enable-version-specific-runtime-libs --enable-libgomp --disable-libvtv --with-libiconv-prefix=/mingw --with-libintl-prefix=/mingw --enable-libstdcxx-debug --disable-build-format-warnings --prefix=/mingw --with-gmp=/mingw --with-mpfr=/mingw --with-mpc=/mingw --with-isl=/mingw --enable-nls --with-pkgvr
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+ sion='MinGW.org GCC Build-20200227-1'
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+ Thread model: win32
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+ gcc version 9.2.0 (MinGW.org GCC Build-20200227-1)
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+ COLLECT_GCC_OPTIONS='-o' 'a.exe' '-v' '-Wall' '-Wextra' '-Wpedantic' '-std=c++17' '-shared-libgcc' '-mtune=generic' '-march=i586'
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+ c:/mingw/bin/../libexec/gcc/mingw32/9.2.0/cc1plus.exe -quiet -v -iprefix c:\mingw\bin../lib/gcc/mingw32/9.2.0/ demo.cpp -quiet -dumpbase demo.cpp -mtune=generic -march=i586 -auxbase demo -Wall -Wextra -Wpedantic -std=c++17 -version -o C:\Users***\AppData\Local\Temp\ccjKtxsx.s
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+ GNU C++17 (MinGW.org GCC Build-20200227-1) version 9.2.0 (mingw32)
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+ compiled by GNU C version 9.2.0, GMP version 6.1.2, MPFR version 4.0.2, MPC version 1.1.0, isl version isl-0.21-GMP
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+ GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
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+ ignoring nonexistent directory "c:\mingw\bin../lib/gcc/mingw32/9.2.0/../../../../mingw32/include"
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+ ignoring duplicate directory "c:/mingw/lib/gcc/../../lib/gcc/mingw32/9.2.0/include/c++"ignoring duplicate directory "c:/mingw/lib/gcc/../../lib/gcc/mingw32/9.2.0/include/c++/mingw32"
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+ ignoring duplicate directory "c:/mingw/lib/gcc/../../lib/gcc/mingw32/9.2.0/include/c++/backward"
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+ ignoring duplicate directory "c:/mingw/lib/gcc/../../lib/gcc/mingw32/9.2.0/include"
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+ ignoring duplicate directory "/mingw/lib/gcc/mingw32/9.2.0/../../../../include"
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+ ignoring duplicate directory "c:/mingw/lib/gcc/../../include"
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+ ignoring duplicate directory "c:/mingw/lib/gcc/../../lib/gcc/mingw32/9.2.0/include-fixed"
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+ ignoring nonexistent directory "c:/mingw/lib/gcc/../../lib/gcc/mingw32/9.2.0/../../../../mingw32/include"
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+ ignoring duplicate directory "/mingw/include"
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+ #include "..." search starts here:
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+ #include <...> search starts here:
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+ c:\mingw\bin../lib/gcc/mingw32/9.2.0/include/c++
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+ c:\mingw\bin../lib/gcc/mingw32/9.2.0/include/c++/mingw32
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+ c:\mingw\bin../lib/gcc/mingw32/9.2.0/include/c++/backward
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+ c:\mingw\bin../lib/gcc/mingw32/9.2.0/include
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+ c:\mingw\bin../lib/gcc/mingw32/9.2.0/../../../../include
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+ c:\mingw\bin../lib/gcc/mingw32/9.2.0/include-fixed
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+
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+ End of search list.
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+ GNU C++17 (MinGW.org GCC Build-20200227-1) version 9.2.0 (mingw32)
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+ compiled by GNU C version 9.2.0, GMP version 6.1.2, MPFR version 4.0.2, MPC version 1.1.0, isl version isl-0.21-GMP
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+ GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
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+ Compiler executable checksum: 94ad7bdd461e5339f6b4ce0e10df4842
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+ COLLECT_GCC_OPTIONS='-o' 'a.exe' '-v' '-Wall' '-Wextra' '-Wpedantic' '-std=c++17' '-shared-libgcc' '-mtune=generic' '-march=i586'
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+ c:/mingw/bin/../lib/gcc/mingw32/9.2.0/../../../../mingw32/bin/as.exe -v -o C:\Users***\AppData\Local\Temp\ccUZTCx9.o C:\Users***\AppData\Local\Temp\ccjKtxsx.s
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+ GNU assembler version 2.32 (mingw32) using BFD version (GNU Binutils) 2.32
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+ COMPILER_PATH=c:/mingw/bin/../libexec/gcc/mingw32/9.2.0/;c:/mingw/bin/../libexec/gcc/;c:/mingw/bin/../lib/gcc/mingw32/9.2.0/../../../../mingw32/bin/
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+ LIBRARY_PATH=c:/mingw/bin/../lib/gcc/mingw32/9.2.0/;c:/mingw/bin/../lib/gcc/;c:/mingw/bin/../lib/gcc/mingw32/9.2.0/../../../../mingw32/lib/;c:/mingw/bin/../lib/gcc/mingw32/9.2.0/../../../
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+ COLLECT_GCC_OPTIONS='-o' 'a.exe' '-v' '-Wall' '-Wextra' '-Wpedantic' '-std=c++17' '-shared-libgcc' '-mtune=generic' '-march=i586'
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+ c:/mingw/bin/../libexec/gcc/mingw32/9.2.0/collect2.exe -plugin c:/mingw/bin/../libexec/gcc/mingw32/9.2.0/liblto_plugin-0.dll -plugin-opt=c:/mingw/bin/../libexec/gcc/mingw32/9.2.0/lto-wrapper.exe -plugin-opt=-fresolution=C:\Users***\AppData\Local\Temp\ccCOwQnb.res -plugin-opt=-pass-through=-lmingw32 -plugin-opt=-pass-through=-lmingwex -plugin-opt=-pass-through=-lgcc_s -plugin-opt=-pass-through=-lgcc -plugin-opt=-pass-through=-lmoldname -plugin-opt=-pass-through=-lmsvcrt -plugin-opt=-pass-through=-ladvapi32 -plugin-opt=-pass-through=-lshell32 -plugin-opt=-pass-through=-luser32 -plugin-opt=-pass-through=-lkernel32 -plugin-opt=-pass-through=-lmingw32 -plugin-opt=-pass-through=-lmingwex
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+ -plugin-opt=-pass-through=-lgcc_s -plugin-opt=-pass-through=-lgcc -plugin-opt=-pass-through=-lmoldname -plugin-opt=-pass-through=-lmsvcrt -Bdynamic -u ___register_frame_info
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+ -u ___deregister_frame_info -o a.exe c:/mingw/bin/../lib/gcc/mingw32/9.2.0/../../../crt2.o c:/mingw/bin/../lib/gcc/mingw32/9.2.0/crtbegin.o -Lc:/mingw/bin/../lib/gcc/mingw32/9.2.0 -Lc:/mingw/bin/../lib/gcc -Lc:/mingw/bin/../lib/gcc/mingw32/9.2.0/../../../../mingw32/lib -Lc:/mingw/bin/../lib/gcc/mingw32/9.2.0/../../.. C:\Users***\AppData\Local\Temp\ccUZTCx9.o -lstdc++ -lmingw32 -lmingwex -lgcc_s -lgcc -lmoldname -lmsvcrt -ladvapi32 -lshell32 -luser32 -lkernel32 -lmingw32 -lmingwex -lgcc_s -lgcc -lmoldname -lmsvcrt c:/mingw/bin/../lib/gcc/mingw32/9.2.0/crtend.o
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+ COLLECT_GCC_OPTIONS='-o' 'a.exe' '-v' '-Wall' '-Wextra' '-Wpedantic' '-std=c++17' '-shared-libgcc' '-mtune=generic' '-march=i586'
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+ ```

2

スクリーンショットを追加しました。

2021/04/20 01:01

投稿

progokina8
progokina8

スコア4

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  （追記）実行環境はVisual Studio Codeです。
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+ （追記）実行時のスクリーンショットを追加しました。（白塗り部分はユーザー名です）
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+ ![![イメージ説明](0147ebcf119084f4302b33f7396687ef.jpeg)]
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  ### 該当のソースコード
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1

実行環境を追加しました。

2021/04/19 13:14

投稿

progokina8
progokina8

スコア4

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  エラーもなくコンパイルもできたので、環境設定の問題かと思います。
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  対処法のご教授お願い致します。
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+ （追記）実行環境はVisual Studio Codeです。
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