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View Compilation Error

0_0_20506670_19630.cpp:11:2: note: #pragma message: 
#include<iostream>
#include<cstdio>
#include<memory.h>
#include<string>
#include<string.h>
#include<cmath>
using namespace std;
const int MAXN=50000+10;
int n,m;int t;string str;
int a[MAXN];

 ")
  ^
0_0_20506670_19630.cpp:22:2: note: #pragma message: 
inline int lowbit(int k){
    return k&-k;
}
inline void addd(int aa,int bb){
    while(aa<MAXN){
        a[aa]+=bb;
        aa+=lowbit(aa);
    }
}
inline int sum(int k){

 ")
  ^
0_0_20506670_19630.cpp:33:2: note: #pragma message: 
    int re=0;
    while(k){
        re+=a[k];
        k-=lowbit(k);
    }
    return re;
}
inline int summ(int aa,int bb){
    return sum(bb)-sum(aa-1);
}

 ")
  ^
0_0_20506670_19630.cpp:44:2: note: #pragma message: 
int main()
{
    ios::sync_with_stdio(0);
    cin>>t;int cases=1;
    while(t--){
        cout<<"Case "<<cases++<<":"<<endl;
        memset(a,0,sizeof(a));
        cin>>n>>m;
        cin>>str;
        for(int i=0;i<n-2;i++){

 ")
  ^
0_0_20506670_19630.cpp:55:2: note: #pragma message: 
            if(str[i]=='w'&&str[i+1]=='b'&&str[i+2]=='w'){
                addd(i+2,1);
                i++;
            }
        }
        for(int i=0;i<m;i++){
            int c,d,e;cin>>c;
            if(!c){
                cin>>d>>e;
                if(e<d)swap(e,d);

 ")
  ^
0_0_20506670_19630.cpp:66:2: note: #pragma message: 
                if(e-d<2){
                    cout<<0<<endl;
                    continue;
                }
                cout<<sum(e)-sum(d+1)<<endl;
                continue;
            }
            else {
                cin>>d;char x;cin>>x;
                if(x==str[d])continue;

 ")
  ^
0_0_20506670_19630.cpp:77:2: note: #pragma message: 
                str[d]=x;
                for(int j=d;j<=d+2;j++){
                    if(j>=2&&j<n)if(summ(j,j))addd(j,-1);
                }
                for(int j=d;j<=d+2;j++){
                    if(j>=2&&j<n)if(str[j-2]=='w'&&str[j-1]=='b'&&str[j]=='w')addd(j,1);
                }
            }
        }
    }

 ")
  ^
0_0_20506670_19630.cpp:80:2: note: #pragma message: 
    return 0;
} 

 ")
  ^
GCC4.9.2/bin/../lib/gcc/x86_64-w64-mingw32/4.9.2/../../../../x86_64-w64-mingw32/lib/../lib\libmingw32.a(lib64_libmingw32_a-crt0_c.o):crt0_c.c:(.text.startup+0x25): undefined reference to `WinMain'
collect2.exe: error: ld returned 1 exit status


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