View Compilation Error

0_0_31710853_32484.cpp: In function 'int main()':
0_0_31710853_32484.cpp:7:27: error: 'score' was not declared in this scope
              scanf("%d", &score[i]); 
                           ^
0_0_31710853_32484.cpp:11:23: error: 'score' was not declared in this scope
                    if(score[i] == grade)
                       ^