johnie.cpp: In function 'int main()': johnie.cpp:5: error: 'n' was not declared in this scope johnie.cpp:5: error: 'm' was not declared in this scope johnie.cpp:5: error: 'k' was not declared in this scope johnie.cpp:12: warning: format '%c' expects type 'char*', but argument 2 has type 'int*' johnie.cpp:13: error: 'v' was not declared in this scope johnie.cpp:19: error: 'c1' was not declared in this scope johnie.cpp:19: error: 'v' was not declared in this scope johnie.cpp:22: error: 'c1' was not declared in this scope johnie.cpp:22: error: 'v' was not declared in this scope johnie.cpp:24: error: expected primary-expression before ')' token johnie.cpp:24: error: expected ';' before ')' token johnie.cpp:26: error: expected primary-expression before '}' token johnie.cpp:26: error: expected ';' before '}' token johnie.cpp:26: error: expected primary-expression before '}' token johnie.cpp:26: error: expected ')' before '}' token johnie.cpp:26: error: expected primary-expression before '}' token johnie.cpp:26: error: expected ';' before '}' token johnie.cpp:12: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result johnie.cpp:15: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result