0_0_28731614_30075.cpp: In function 'int dfs(int, int)': 0_0_28731614_30075.cpp:12:8: error: 'tx' was not declared in this scope if(x+tx>n) ^ 0_0_28731614_30075.cpp:12:11: error: 'n' was not declared in this scope if(x+tx>n) ^