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View Compilation Error

0_0_16670077_21173.cpp: In function 'int main()':
0_0_16670077_21173.cpp:6:5: error: expected unqualified-id before 'int'
     int n,i,j,k,m;
     ^
0_0_16670077_21173.cpp:8:5: error: expected ';' before 'scanf'
     scanf("%d",&n);
     ^
0_0_16670077_21173.cpp:9:11: error: 'n' was not declared in this scope
     while(n--)
           ^
0_0_16670077_21173.cpp:11:17: error: 'm' was not declared in this scope
         gets(a);m=0;
                 ^
0_0_16670077_21173.cpp:12:13: error: 'i' was not declared in this scope
         for(i=0;i<=strlen(a);i++)
             ^
0_0_16670077_21173.cpp:15:17: error: 'k' was not declared in this scope
                 k=i;
                 ^
0_0_16670077_21173.cpp:16:17: error: 'j' was not declared in this scope
             for(j=k-1;j>=m;j++)
                 ^
0_0_16670077_21173.cpp:16:19: error: 'k' was not declared in this scope
             for(j=k-1;j>=m;j++)
                   ^
0_0_16670077_21173.cpp:18:15: error: 'k' was not declared in this scope
             m=k+i;
               ^
0_0_16670077_21173.cpp:20:27: error: invalid conversion from 'char' to 'const char*' [-fpermissive]
                 printf(' ');
                           ^
In file included from 0_0_16670077_21173.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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