qwq 我在本地过了样例和#1 但是oj全wa
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qwq 我在本地过了样例和#1 但是oj全wa
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VincentZyu楼主2024/10/11 00:47
#include <bits/stdc++.h>
using namespace std;

#define int long long
#define ls (o<<1)
#define rs (o<<1 | 1)
const int N = 1e5+10;
int MOD = 571373;

int n,q;
int a[N], t[N<<2], add[N<<2], mul[N<<2];

int mo(int x){
    return (x%MOD + MOD) % MOD;
}

void update(int s,int e,int o, int k, int x){
    t[o] = mo( mo(t[o]*k) + mo(x*(e-s+1)) );
    mul[o] = mo(mul[o]*k%MOD);
    add[o] = mo( mo(add[o]*k) + x );
}

void pushup(int o){
    t[o] = mo(t[ls] + t[rs]);
}

void pushdown(int s, int e, int o){
    int mid = (s+e) / 2;
    update(s,mid,ls,mul[o],add[o]);
    update(mid+1,e,rs,mul[o],add[o]);
    mul[o] = 1;
    add[o] = 0;
}

void build(int s=1, int e=n, int o=1){
    mul[o] = 1;
    // add[o] = 0;
    if (s==e){
        t[o] = a[s];
        return;
    }

    int mid = (s+e) / 2;
    build(s,mid,ls);
    build(mid+1,e,rs);
    pushup(o);
}

void modify(int l, int r, int k, int x, int s=1, int e=n, int o=1){
    if ( l<=s && e<=r ){
        update(s,e,o,k,x);
        return;
    }

    pushdown(s,e,o);
    int mid = (s+e) / 2;
    if (l<=mid) modify(l,r,k,x,s,mid,ls);
    if (mid+1<=r) modify(l,r,k,x,mid+1,e,rs);
    pushup(o);
}

int query(int l, int r, int s=1, int e=n, int o=1){
    if ( l<=s && e<=r ){
        return t[o];
    }

    pushdown(s,e,o);
    int mid = (s+e) / 2;
    int res = 0;
    if ( l<=mid ) res = mo(res + query(l,r,s,mid,ls));
    if ( mid+1<=r ) res = mo(res + query(l,r,mid+1,e,rs));
    pushup(o);
    return res; 
}

signed main(){
    cin >> n >> q >> MOD;
    for ( int i=1; i<=n; i++ ) cin >> a[i];
    build();

    while(q--){
        int op; cin >> op;
        if(op==3){
            int x,y; cin >> x >> y;
            cout << query(x,y) << '\n';
        } else if (op==1){
            int x,y,k; cin >> x >> y >> k;
            modify(x,y,k,0);
        } else if (op==2){
            int x,y,k; cin >> x >> y >> k;
            modify(x,y,1,k);
        }
    }

    return 0;
}
2024/10/11 00:47
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