View Compilation Error

0_0_31716658_10040.cpp: In function 'int main()':
0_0_31716658_10040.cpp:8:27: error: 'score' was not declared in this scope
              scanf("%d", &score[i]); 
                           ^
0_0_31716658_10040.cpp:12:28: error: 'score' was not declared in this scope
                         if(score[i] == grade)
                            ^