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why wa ,,,please help......

#include<stdio.h>
#include<math.h>

float fx(float x,int p,int q,int r,int s,int t,int u){
float eq;
eq=p*exp(-(x)) + q*sin((x))+r*cos((x))+s*tan((x))+t*pow((x),2)+u;
return eq;
}

int main(){


int p,q,r,s,t,u;

float st,ed,mid,fx_st,fx_end,fx_mid,fx_dif;


while(scanf ...

i don't know why wrong ans,i test 100 test case with uva toolkit....
please help me...

#include<stdio.h>
#include<math.h>
#include<ctype.h>

long long sumf,sff;
long long s(long long p,long long q){
long long summ=0,i,n,pf,qf,pr,qr,s1,s2;
sff=0;
pf=(p/10);
pf=pf*10;
pr=p%10;

s1=((pr-1)*(pr ...