#include <stdio.h>
#include <math.h>
typedef struct Poly{
double coef;
int exp;
} Poly;
int main()
{
int KA, KB, Ksum = 0;
Poly A[20], B[20], sum[20];
scanf("%d", &KA);
for(int i = 0; i < KA; i++) scanf("%d %lf", &A[i].exp, &A[i].coef);
scanf("%d", &KB);
for(int i = 0; i < KB; i++) scanf("%d %lf", &B[i].exp, &B[i].coef);
int i = 0, j = 0;
while(i < KA || j < KB)
{
if(i == KA || (j < KB && A[i].exp < B[j].exp))
{
sum[Ksum].exp = B[j].exp;
sum[Ksum].coef = B[j++].coef;
}
else if(j == KB || (i < KA && A[i].exp > B[j].exp))
{
sum[Ksum].exp = A[i].exp;
sum[Ksum].coef = A[i++].coef;
}
else
{
sum[Ksum].exp = A[i].exp;
sum[Ksum].coef = A[i++].coef + B[j++].coef;
}
if(fabs(sum[Ksum].coef) >= 0.05) Ksum++;
}
printf("%d", Ksum);
for(int i = 0; i < Ksum; i++)
printf(" %d %.1lf", sum[i].exp, sum[i].coef);
return 0;
}
PTA 1002 A+B for Polynomials
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转载自blog.csdn.net/qq_40215528/article/details/83051970
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