1002. A+B for Polynomials (25)
2018-01-19 21:03
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#include<cstdio>
#include<map>
#include<cstring>
double poly[2020];
int main()
{
int a,b;
int p;double q;
scanf("%d",&a);
for(int i=0;i<a;i++)
{
scanf("%d%lf",&p,&q);
poly[p]=poly[p]+q;
}
scanf("%d",&b);
for(int i=0;i<b;i++)
{
scanf("%d%lf",&p,&q);
poly[p]=poly[p]+q;
}
int count=0;
for(int i=0;i<2020;i++)
{
if(poly[i]!=0)count++;
}
printf("%d",count);
for(int i=2019;i>=0;i--)
{
if(poly[i]!=0.0)
printf(" %d %.1f",i,poly[i]);
}
return
0;
}
#include<map>
#include<cstring>
double poly[2020];
int main()
{
int a,b;
int p;double q;
scanf("%d",&a);
for(int i=0;i<a;i++)
{
scanf("%d%lf",&p,&q);
poly[p]=poly[p]+q;
}
scanf("%d",&b);
for(int i=0;i<b;i++)
{
scanf("%d%lf",&p,&q);
poly[p]=poly[p]+q;
}
int count=0;
for(int i=0;i<2020;i++)
{
if(poly[i]!=0)count++;
}
printf("%d",count);
for(int i=2019;i>=0;i--)
{
if(poly[i]!=0.0)
printf(" %d %.1f",i,poly[i]);
}
return
0;
}
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