12 lines
271 B
C
12 lines
271 B
C
#include <stdio.h>
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int main()
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{
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unsigned upper_bound = 1000000, sum = 0, iteration = 0;
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for(int i = 3; i < upper_bound; i += 3) sum += i;
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for(int i = 5; i < upper_bound; i += 15) sum += i;
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for(int i = 10; i < upper_bound; i+= 15) sum += i;
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printf("%i\n", sum);
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}
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