Problem	card
User	GanJaeHan
Submission Time	2026-03-15 14:04:38
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

card.cpp: In function ‘int main()’:
card.cpp:26:46: error: conversion from ‘int’ to non-scalar type ‘std::string’ {aka ‘std::__cxx11::basic_string<char>’} requested
26 | string answer = c[k - 1] + ' ' + c[k] + ' ' + c[k + 1];
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~