View Compilation Error

0_0_2772009_20388.cpp:6: error: expected init-declarator before "int"
0_0_2772009_20388.cpp:6: error: expected `,' or `;' before "int"
0_0_2772009_20388.cpp: In function `int main()':
0_0_2772009_20388.cpp:9: error: `N' undeclared (first use this function)
0_0_2772009_20388.cpp:9: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_2772009_20388.cpp:9: error: `M' undeclared (first use this function)
0_0_2772009_20388.cpp:13: error: `dp' undeclared (first use this function)