View Compilation Error

0_0_29281471_25590.cpp:77:9: error: stray '\' in program
         }while(next_permutation(h+2,h+N+1));    \\next_permutation(h+1,h+N+1)也可以 
         ^
0_0_29281471_25590.cpp:77:9: error: stray '\' in program
0_0_29281471_25590.cpp:77:9: error: stray '\322' in program
0_0_29281471_25590.cpp:77:9: error: stray '\262' in program
0_0_29281471_25590.cpp:77:9: error: stray '\277' in program
0_0_29281471_25590.cpp:77:9: error: stray '\311' in program
0_0_29281471_25590.cpp:77:9: error: stray '\322' in program
0_0_29281471_25590.cpp:77:9: error: stray '\324' in program
0_0_29281471_25590.cpp: In function 'int main()':
0_0_29281471_25590.cpp:79:9: error: expected ';' before 'printf'
         printf("%d\n",ans);
         ^