0_0_29419435_15389.cpp: In function 'int main()':
0_0_29419435_15389.cpp:6:30: error: 'scanf' was not declared in this scope
while (scanf("%d%d",&n,&m)!=EOF)
^
0_0_29419435_15389.cpp:6:33: error: 'EOF' was not declared in this scope
while (scanf("%d%d",&n,&m)!=EOF)
^
0_0_29419435_15389.cpp:36:33: error: 'printf' was not declared in this scope
printf("%.2f",avg[i]);
^
0_0_29419435_15389.cpp:38:34: error: 'printf' was not declared in this scope
printf(" %.2f",avg[i]);
^
0_0_29419435_15389.cpp:40:20: error: 'printf' was not declared in this scope
printf("\n");
^
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