18 lines
254 B
C
18 lines
254 B
C
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#include <stdio.h>
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int main( )
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{
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int sum = 2;
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int fib[3] = { 1, 2, 3 };
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while(fib[2] < 4000000)
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{
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fib[2] = fib[0] + fib[1];
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if(fib[2] % 2 == 0)
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sum += fib[2];
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fib[0] = fib[1];
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fib[1] = fib[2];
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}
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printf( "%i", sum );
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}
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