#include <cstdio>
int main() {
int N, A, X, Y, hasil, hasil2, hasil3;
scanf("%d %d %d %d",&N,&A,&X,&Y);
if (A < N) {
hasil2 = N - A;
hasil3 = A * X;
hasil = hasil2 + hasil3 * Y;
printf("%d", hasil);
} else {
hasil = A * X;
printf("%d", hasil);
}}
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NSAzIDIwIDE1
5 3 20 15
language:
C++ (gcc 8.3)
created:
2 years ago
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