【PAT B1010】一元多项式求导(C语言)
#include <stdio.h> int main() { int a, b, k = 0; while (scanf("%d %d", &a, &b) != EOF) { if (b != 0) { if (++k != 1) printf(" "); printf("%d %d", a * b, b - 1); } if (k == 0) printf("0 0"); } return 0; }
#include <stdio.h> int main() { int a, b, k = 0; while (scanf("%d %d", &a, &b) != EOF) { if (b != 0) { if (++k != 1) printf(" "); printf("%d %d", a * b, b - 1); } if (k == 0) printf("0 0"); } return 0; }
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