0_0_32702774_27393.cpp: In function 'int main()':
0_0_32702774_27393.cpp:6:25: error: 'scanf' was not declared in this scope
while (scanf("%s", s)==1){
^
0_0_32702774_27393.cpp:11:25: error: 'printf' was not declared in this scope
printf("%.1f\n", sum);
^
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