0_0_31226794_9965.cpp: In function 'int main()':
0_0_31226794_9965.cpp:4:15: error: 'scanf' was not declared in this scope
scanf("%d",&a);
^
0_0_31226794_9965.cpp:6:27: error: 'printf' was not declared in this scope
{printf("Score is error!");return 0;
^
0_0_31226794_9965.cpp:30:20: error: 'printf' was not declared in this scope
case 1:printf("E");
^
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