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getting wa...
tried some critical input..
#include<bits/stdc++.h>
using namespace std;

map<string,int>visited;
map<string,int>level;

int bfs(string src,string des,map< string,vector<string> >Graph)
{
queue<string>Q;
Q.push(src);
visited[src]=0;
level[src]=0;
while(!Q.empty())
{
string u=Q ...

Thanks..

Verdict: Compile error

#include<stdio.h>
#include<string.h>
int main()
{
char s[10000];
while(gets(s))
{
if(strcmp(s,"DONE")==0) break;

char s1[10000],s2[10000];
int j=0;
int i;
for(i=0;i<strlen(s);i++)
{
if(isalpha(s[i]))
{
if(islower(s[i]))
{
s1[j]=toupper(s[i]);
j++;
}
else ...