RT,不是 200005×4 左右吗?然后就RE了,数组开大一点就AC。求助
//#include<bits/stdc++.h>
#include<iostream>
#include<iomanip>
#include<cstring>
#include<stack>
#include<vector>
//#include<conio.h>
#include<string>
#include<map>
#include<cstdlib>
#include<queue>
#include<math.h>
#include<time.h>
#include<set>
#include<cstdio>
#include<stdio.h>
#include<algorithm>
using namespace std;
using std::cin;
using std::cout;
using std::endl;
namespace IN{
const int MAX_INPUT = 1000000;
#define getc() (p1==p2&&(p2=(p1=buf)+inbuf->sgetn(buf,MAX_INPUT),p1==p2)?EOF:*p1++)
char buf[MAX_INPUT],*p1,*p2;
template<typename T>inline bool read(T &x) {
static std::streambuf *inbuf=cin.rdbuf();
x=0;
register int f=0,flag=false;
register char ch=getc();
while(!isdigit(ch)){
if (ch=='-') f=1;
ch=getc();
}
if(isdigit(ch)) x=x*10+ch-'0',ch=getc(),flag=true;
while(isdigit(ch)) {
x=x*10+ch-48;
ch=getc();
}
x=f?-x:x;
return flag;
}
template<typename T,typename ...Args>inline bool read(T& a,Args& ...args) {
return read(a)&&read(args...);
}
inline int getch(){
static std::streambuf *inbuf=cin.rdbuf();
char ch=getc();
while(ch!='0'&&ch!='1') ch=getc();
return (ch^'0');
}
#undef getc
}
namespace OUT{
template<typename T>inline void put(T x){
static std::streambuf *outbuf=cout.rdbuf();
static char stack[21];
static int top=0;
if(x<0){
outbuf->sputc('-');
x=-x;
}
if(!x){
outbuf->sputc('0');
outbuf->sputc('\n');
return;
}
while(x){
stack[++top]=x%10+'0';
x/=10;
}
while(top){
outbuf->sputc(stack[top]);
--top;
}
outbuf->sputc('\n');
}
inline void putc(const char ch){
static std::streambuf *outbuf=cout.rdbuf();
outbuf->sputc(ch);
}
inline void putstr(string s){
for(register int i=0;i<s.length();i++) putc(s[i]);
}
template<typename T>inline void put(const char ch,T x){
static std::streambuf *outbuf=cout.rdbuf();
static char stack[21];
static int top = 0;
if(x<0){
outbuf->sputc('-');
x=-x;
}
if(!x){
outbuf->sputc('0');
outbuf->sputc(ch);
return;
}
while(x){
stack[++top]=x%10+'0';
x/=10;
}
while(top){
outbuf->sputc(stack[top]);
--top;
}
outbuf->sputc(ch);
}
template<typename T,typename ...Args> inline void put(T a,Args ...args){
put(a);put(args...);
}
template<typename T,typename ...Args> inline void put(const char ch,T a,Args ...args){
put(ch,a);put(ch,args...);
}
}
using namespace IN;
using namespace OUT;
struct tree{
long long val,tag;
}t[200005<<2];//就这里,这样RE,开成200005<<3就A了
#define lc(x) (x<<1)
#define rc(x) (x<<1|1)
#define mid ((l+r)>>1)
int n,m,opt,x,y;
inline void push_up(int rt){
t[rt].val=t[lc(rt)].val+t[rc(rt)].val;
}
inline void push_down(int rt,int len){
if(t[rt].tag){
t[lc(rt)].val=(len-(len>>1))-t[lc(rt)].val;
t[rc(rt)].val=(len>>1)-t[rc(rt)].val;
t[lc(rt)].tag^=1;
t[rc(rt)].tag^=1;
t[rt].tag=0;
}
}
void build(int l,int r,int rt){
if(l==r) return t[rt].val=getch(),void();
build(l,mid,lc(rt)),build(mid+1,r,rc(rt)),push_up(rt);
}
/*
void debug(int l,int r,int rt){
if(l==r) return;
push_down(rt,(r-l+1));
debug(l,mid,lc(rt)),debug(mid+1,r,rc(rt));
cout<<l<<" "<<r<<" "<<rt<<" "<<t[rt].val<<endl;
}
*/
void update(int l,int r,int rt,int cl,int cr){
push_down(rt,(r-l+1));
if(cl<=l&&r<=cr) return t[rt].tag^=1,t[rt].val=(r-l+1)-t[rt].val,void();
if(cl<=mid) update(l,mid,lc(rt),cl,cr);
if(cr>mid) update(mid+1,r,rc(rt),cl,cr);
push_up(rt);
}
long long query(int l,int r,int rt,int ql,int qr){
if(ql<=l&&r<=qr) return t[rt].val;
push_down(rt,r-l+1);
long long ans=0;
if(ql<=mid) ans+=query(l,mid,lc(rt),ql,qr);
if(qr>mid) ans+=query(mid+1,r,rc(rt),ql,qr);
return ans;
}
/*#define deb*/
int main(int argc, char const *argv[]){
std::ios::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
read(n,m);
build(1,n,1);
while(m--){
read(opt,x,y);
if(opt) put('\n',query(1,n,1,x,y));
else update(1,n,1,x,y);
#ifdef deb
debug(1,n,1);
system("pause");
#endif
}
return 0;
}