真的没人救我？

#include <bits/stdc++.h>
using namespace std;
template <typename _Tp>
inline void read(_Tp &x){
    int w=1;char c=0;x=0;
    while (c^'-'&&(c<'0'||c>'9'))c=getchar();
    if (c=='-')w=-1,c=getchar();
    while (c>='0'&&c<='9')x=(x<<1)+(x<<3)+(c^48),c=getchar();
    x*=w;
}
inline void write(int n){
    if(n==0) return;
    write(n/10);
    putchar(n%10+'0');
}
struct ${
    int next,pre;
}a[20005];
int n,m,k,value[10005][205],q;
int main(void){
    read(n),read(m);
    for (int i=1;i<=n;i++){
        read(k);
        for (int j=0;j<k;j++){
            int x,y;
            read(x),read(y);
            value[i][x]=y;
        }
        a[i].next=i+1,a[i].pre=i-1;
    }
    read(q);
    while (q--){
        string s;
        cin>>s;
        if (s[0]=='I'){
            int x;read(x);n++;
            a[n].next=a[x].next,a[x].next=n,a[a[n].next].pre=n,a[n].pre=x;
            read(k);
            for (int i=0;i<k;i++){
                int y,z;read(y),read(z);
                value[n][y]=z;
            }
        }
        if (s[0]=='D'){
            int x;read(x);n--;
            a[a[x].pre].next=a[x].next,a[a[x].next].pre=a[x].pre;
        }
        if (s[0]=='Q'&&s[1]=='A')printf ("%d\n",n);
        else if (s=="QS"){
            int l,r;read(l),read(r);int z=0,start=1;
            for (;z<l-1;z++,start=a[start].next);/*printf ("%d\n",start);*/
            for (int i=0;i<m;i++){
                int s=0;z=0;
                for (int p=start;z<r-l+1;z++,p=a[p].next)s+=value[p][i]/*,printf ("%d ",p)*/;
                printf ("%d ",s);
            }
            puts("");
        }
//		cout<<"q:"<<q<<' '<<"s:"<<s<<endl;
    }
    printf ("end\n");/*int z=0;
    for (int i=1;z<n;z++,i=a[i].next,puts(""))for (int j=0;j<m;j++)printf ("%d ",value[i][j]);*/
}