View Compilation Error

0_0_9746664_32501.cpp: In member function `void Chain::output()':
0_0_9746664_32501.cpp:46: error: expected primary-expression before "auto"
0_0_9746664_32501.cpp:46: error: expected `;' before "auto"
0_0_9746664_32501.cpp:48: error: expected `)' before ';' token
0_0_9746664_32501.cpp:49: error: expected primary-expression before "auto"
0_0_9746664_32501.cpp:49: error: expected `;' before "auto"
0_0_9746664_32501.cpp:51: error: expected primary-expression before '}' token
0_0_9746664_32501.cpp:51: error: expected `)' before '}' token
0_0_9746664_32501.cpp:51: error: expected primary-expression before '}' token
0_0_9746664_32501.cpp:51: error: expected `;' before '}' token