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View Compilation Error

0_0_37405907_31176.cpp: In function 'int main()':
0_0_37405907_31176.cpp:5:14: error: invalid conversion from 'int' to 'const char*' [-fpermissive]
 scanf('%d',&c);
              ^
In file included from 0_0_37405907_31176.cpp:1:0:
GCC4.9.2/x86_64-w64-mingw32/include/stdio.h:386:15: note: initializing argument 1 of 'int scanf(const char*, ...)'
   int __cdecl scanf(const char * __restrict__ _Format,...) __MINGW_ATTRIB_DEPRECATED_SEC_WARN;
               ^
0_0_37405907_31176.cpp:8:19: error: invalid conversion from 'int' to 'const char*' [-fpermissive]
 scanf('%d%d',&n,&m);
                   ^
In file included from 0_0_37405907_31176.cpp:1:0:
GCC4.9.2/x86_64-w64-mingw32/include/stdio.h:386:15: note: initializing argument 1 of 'int scanf(const char*, ...)'
   int __cdecl scanf(const char * __restrict__ _Format,...) __MINGW_ATTRIB_DEPRECATED_SEC_WARN;
               ^
0_0_37405907_31176.cpp:10:18: error: invalid conversion from 'int' to 'const char*' [-fpermissive]
 printf('second\n');
                  ^
In file included from 0_0_37405907_31176.cpp:1:0:
GCC4.9.2/x86_64-w64-mingw32/include/stdio.h:378:15: note: initializing argument 1 of 'int printf(const char*, ...)'
   int __cdecl printf(const char * __restrict__ _Format,...);
               ^
0_0_37405907_31176.cpp:11:22: error: invalid conversion from 'int' to 'const char*' [-fpermissive]
 else printf('first\n');
                      ^
In file included from 0_0_37405907_31176.cpp:1:0:
GCC4.9.2/x86_64-w64-mingw32/include/stdio.h:378:15: note: initializing argument 1 of 'int printf(const char*, ...)'
   int __cdecl printf(const char * __restrict__ _Format,...);
               ^


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