View Compilation Error

0_0_36693199_24464.cpp: In function 'int main()':
0_0_36693199_24464.cpp:8:6: error: expected '(' before '{' token
 while{m--)
      ^
0_0_36693199_24464.cpp:8:6: error: expected primary-expression before '{' token
0_0_36693199_24464.cpp:8:6: error: expected ')' before '{' token
0_0_36693199_24464.cpp:8:10: error: expected ';' before ')' token
 while{m--)
          ^
0_0_36693199_24464.cpp:26:1: error: expected '}' at end of input
 }
 ^
0_0_36693199_24464.cpp:26:1: error: expected '}' at end of input