OJ Board

why wa ???
#include <iostream>
#include<queue>
#include<stack>
#include<vector>
#include<cstring>
using namespace std;
char arr[]={'+','-','*','/'};
double num[7];int taken[7],flag;

vector<double> vct;
double check(double a,double b,char c)
{
switch(c)
{
case '+' :return a+b;
case ...

why wa ???
#include<iostream>
#include<cstdio>
#include<queue>
#include<string>
#include<fstream>
#include<cstring>
using namespace std;
char field[1010][1010];
int dist;
int row,col;
bool bfs()
{

queue <int>J,f;
bool res=false;

int distf[row+6][col+6],distj[row+6][col+6];


for(int i=0;i<row ...

why RE !!!
#include <iostream>
#include <cstdio>
#include <algorithm>
#include <cstring>
#include <string>
#include <cctype>
#include <stack>
#include <queue>
#include <list>
#include <vector>
#include <map>
#include <sstream>
#include <cmath>
#include <bitset>
#include <utility>
#include <set ...

cant find my bug !!!
#include<cstdio>
#include<iostream>
#include<vector>
#include<queue>
#include<algorithm>
#include<map>
#include<stack>
using namespace std;

struct edge
{
int u,v;
long long w;
bool operator < (const edge &p) const
{
return w < p.w;
}
};
vector <edge> e;
map< string,long ...

cant find my bug !!!
#include<iostream>
#include<vector>
#include<cstdio>
#include<cmath>
#define max 10000500
using namespace std;
vector <long long> prime;
bool flag[max];

void sieve()
{

prime.push_back(2);
//cout<<"h;;";
for(long long i=4;i<max;i+=2)
flag[i]=true;
for(long long i=3;i<max ...

thanx for the reply brianfry...i got it accepted...i misunderstood the problem..

thanxxxxx....got accepted

why PE ????
#include<stdio.h>
int func(int x)
{
int mid=x/2,count,sum=0;

for(count=1;count<=mid;count++)
{
if(x%count==0)
sum=sum+count;

}

if(sum==x)
return 0;
else if(sum>x)
return 1;
else
return 2;


}
int main()
{

int num,arr[100],nums[100],c=0;

while(scanf("%d",&num)==1 ...

GETTING WA... CANT FIND MY BUG
#include<stdio.h>
#include<string.h>
int main()
{
double nums,avg;
int count,test,ll,len;
char arr[1000];
while(scanf("%d",&test)==1)
{
for(count=1;count<=test;count++)
{
avg=0;
for(ll=0;ll<12;ll++)
{
scanf("%lf",&nums);
avg=avg+nums;

}
avg=avg/12.0 ...

cant find my bug
#include<stdio.h>
#include<string.h>
#include<ctype.h>
int main()
{
char arr[1000000],word[1000000];
int len,lenw,count,tm;
while(scanf(" %[^\n]",arr)==1)
{
len=strlen(arr);
for(count=0;count<len;count++)
{

if(tolower(arr[count])>='a' && tolower(arr[count])<='z ...

Need your help for fixing my bug...thank u
#include<stdio.h>
#include<string.h>
#include<ctype.h>
int main()
{
char word[100],save[100];
word[0]='\0';
int lenprev=0,lennew,count;
while(strcmp(word,"E-N-D")!=0)
{
count=0;
while(1)
{
word[count]=getchar();
if(word[count]=='(')
{
while ...

thanks for the previous solutions...i failed to catch my bug in this problem..so i need your help again..
#include<stdio.h>
#include<string.h>
int rev(int x)
{
if(x<10)
return x;
int mod,sum=0;
while(x!=0)
{
sum=sum+x%10;
x=x/10;



}
return sum;


}


int main()
{
int numb,count,len ...

im getting wa again and again bt could not find my bug.pls help...
#include<stdio.h>
#include<math.h>
int main()
{
int test,count,arr[3000],diff;
while(scanf("%d",&test)==1 && test>0 && test<=3000)
{
for(count=0;count<test;count++)
{
scanf("%d",&arr[count]);
}

for(count=0;count<test-1 ...

I got WA more than 7 times in this problem and could not find the bug..
my code
#include<stdio.h>
int main()
{
long int num1,num2,x,y,carry,crry=0;
while(scanf(" %ld %ld",&num1,&num2)==2 && (num1!=0 || num2!=0))
{
carry=0;

while(num1!=0 || num2!=0)
{
x=num1%10;
y=num2%10;
num1=num1/10 ...