8 lines
140 B
C++
8 lines
140 B
C++
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#include <cstdio>
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int main(){
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int a, b, c, d;
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scanf("%d%d%d%d", &a, &b, &c, &d);
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printf("DIFERENCA = %d\n", a * b - c * d);
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return 0;
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}
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