View Compilation Error

0_0_1336557_8266.cpp: In function `int main()':
0_0_1336557_8266.cpp:4: error: `m' does not name a type
0_0_1336557_8266.cpp:5: error: `i' undeclared (first use this function)
0_0_1336557_8266.cpp:5: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_1336557_8266.cpp:5: error: `j' undeclared (first use this function)
0_0_1336557_8266.cpp:6: error: `o' undeclared (first use this function)
0_0_1336557_8266.cpp:7: error: `m' undeclared (first use this function)