19 lines
165 B
C
19 lines
165 B
C
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#include <stdio.h>
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int a;
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void foo()
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{
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a = 10;
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}
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int main ()
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{
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a = 20;
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printf("%d\n", a); // a = 20;
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foo();
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printf("%d\n", a); // a = 10
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return 0;
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}
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