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답안 #680320

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
680320 2023-01-10T14:51:23 Z browntoad Meteors (POI11_met) C++14
100 / 100
 1311 ms 31632 KB 
#include <bits/stdc++.h>
#pragma GCC optimize("Ofast", "unroll-loops")
using namespace std;
#define ll long long
// #define int ll
#define FOR(i, a, b) for (int i=(a); i<(b); i++)
#define REP(i, n) FOR(i, 0, n)
#define REP1(i, n) FOR(i, 1, n+1)
#define RREP(i, n) for (int i=(n)-1; i>=0; i--)
#define RREP1(i, n) for(int i=(n); i>=1; i--)
#define ALL(x) (x).begin(), (x).end()
#define SZ(x) (int)((x).size())
#define SQ(x) (x)*(x)
#define f first
#define s second
#define pii pair<int, int>
#define endl '\n'
#define pb push_back

const ll mod = 1e9+7;
const ll maxn = 3e5+5;
const ll inf = (1ll<<60);
const ll iinf = 2e9;

ll pw(ll x, ll p){
    ll ret=1;
    while(p>0){
        if (p&1){
            ret*=x;
            ret%=mod;
        }
        x*=x;
        x%=mod;
        p>>=1;
    }
    return ret;
}
ll inv(ll x){
    return pw(x, mod-2);
}
int n, m, k;
vector<int> need(maxn), ans(maxn);
vector<int> ids[maxn];
long long bit[maxn], incbit[maxn];
void modify(int a, int val){
    while(a<=m){
        bit[a]+=val;
        a+=(a&-a);
    }
}
void modify2(int a, int val){
    while(a<=m){
        incbit[a]+=val;
        a+=(a&-a);
    }
}
long long ret=0;
long long query(int a){
    ret=0;
    while(a>0){
        ret+=bit[a];
        a-=(a&-a);
    }
    return ret;
}
long long query2(int a){
    ret=0;
    while(a>0){
        ret+=incbit[a];
        a-=(a&-a);
    }
    return ret;
}
struct mods{
    int l, r;
    int w;
};
vector<mods> quer;
long long tmpv=0;
void run(int L, int R, vector<int> &vals){
    if (L>R) return;
    if (L==R){
        REP(i, SZ(vals)){
            if (L==k) ans[vals[i]]=-1;
            else ans[vals[i]]=L+1;
        }
        if (L!=k){
            if (quer[L].l<=quer[L].r){
                modify2(quer[L].l, quer[L].w);
                modify2(quer[L].r+1, -quer[L].w);
            }
            else {
                modify2(quer[L].l, quer[L].w);
                modify2(m+1, -quer[L].w);
                modify2(1, quer[L].w);
                modify2(quer[L].r+1, -quer[L].w);
            }
        }
        return;
    }
    int mid = (L+R)>>1;
    FOR(i, L, mid+1){
        if (quer[i].l<=quer[i].r){
            modify(quer[i].l, quer[i].w);
            modify(quer[i].r+1, -quer[i].w);
        }
        else {
            modify(quer[i].l, quer[i].w);
            modify(m+1, -quer[i].w);
            modify(1, quer[i].w);
            modify(quer[i].r+1, -quer[i].w);
        }
    }
    vector<int> aL, aR;
    REP(i, SZ(vals)){
        tmpv=0;
        REP(j, SZ(ids[vals[i]])){
            tmpv+=query(ids[vals[i]][j])+query2(ids[vals[i]][j]);
            if (tmpv>=(ll)(need[vals[i]])) break;
        }
        if (tmpv>=(ll)(need[vals[i]])){
            aL.pb(vals[i]);
        }
        else{
            aR.pb(vals[i]);
        }
    }
    // undo
    FOR(i, L, mid+1){
        if (quer[i].l<=quer[i].r){
            modify(quer[i].l, -quer[i].w);
            modify(quer[i].r+1, quer[i].w);
        }
        else {
            modify(quer[i].l, -quer[i].w);
            modify(m+1, quer[i].w);
            modify(1, -quer[i].w);
            modify(quer[i].r+1, quer[i].w);
        }
    }
    run(L, mid, aL);
    run(mid+1, R, aR);


}
signed main(){
    ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
    cin>>n>>m;
    vector<int> tmp(n);
    REP(i, n){
        tmp[i]=i+1;
    }
    int a;
    REP1(i, m){
        cin>>a;
        ids[a].pb(i);
    }
    REP1(i, n){
        cin>>need[i];
    }
    cin>>k;
    int x, y, z;
    REP(i, k){
        cin>>x>>y>>z;
        quer.pb({x, y, z});
    }
    fill(ALL(ans), -1);
    run(0, k, tmp);
    REP1(i, n){
        if (ans[i]==-1) cout<<"NIE"<<endl;
        else cout<<ans[i]<<endl;
    }
}

Subtask #1
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 9684 KB Output is correct
2 Correct 6 ms 9684 KB Output is correct
3 Correct 6 ms 9684 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 9748 KB Output is correct
2 Correct 6 ms 9684 KB Output is correct
3 Correct 7 ms 9812 KB Output is correct

Subtask #3
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 55 ms 11804 KB Output is correct
2 Correct 105 ms 13512 KB Output is correct
3 Correct 82 ms 11832 KB Output is correct

Subtask #4
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 85 ms 11688 KB Output is correct
2 Correct 87 ms 11704 KB Output is correct
3 Correct 94 ms 12856 KB Output is correct
4 Correct 29 ms 11628 KB Output is correct

Subtask #5
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 72 ms 11648 KB Output is correct
2 Correct 79 ms 13084 KB Output is correct
3 Correct 41 ms 10596 KB Output is correct
4 Correct 88 ms 12040 KB Output is correct

Subtask #6
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 73 ms 11544 KB Output is correct
2 Correct 86 ms 11704 KB Output is correct
3 Correct 66 ms 11544 KB Output is correct
4 Correct 104 ms 12600 KB Output is correct

Subtask #7
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 962 ms 27160 KB Output is correct
2 Correct 564 ms 19596 KB Output is correct
3 Correct 209 ms 12876 KB Output is correct
4 Correct 1179 ms 28604 KB Output is correct

Subtask #8
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 931 ms 25980 KB Output is correct
2 Correct 607 ms 19448 KB Output is correct
3 Correct 162 ms 12912 KB Output is correct
4 Correct 1311 ms 31632 KB Output is correct