1002. A+B for Polynomials (25)

/**
2017.2.27
Donald
*/
/**
多项式求和
系数过小不要
*/
#include<cstdio>

using namespace std;
#define MAXN 1001
#define EPS 1e-8
double A[MAXN];
int K;
int main(void){
int T = 2;
int n, cnt = 0;
double An;
while(T--){
scanf("%d", &K);
while(K--){
scanf("%d %lf", &n, &An);
A
+= An;
}
}
for(int i = MAXN; i >= 0; i--)
if(!(A[i] >= -EPS && A[i] <= EPS))
cnt++;
printf("%d", cnt);
for(int i = MAXN; i >= 0; i--)
if(!(A[i] >= -EPS && A[i] <= EPS))
printf(" %d %.1lf", i, A[i]);
return 0;
}