oj.uz

답안 #475485

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
475485 2021-09-22T16:15:37 Z NhatMinh0208 Gift (IZhO18_nicegift) C++14
100 / 100
 1394 ms 76780 KB 
#ifndef CPL_TEMPLATE
#define CPL_TEMPLATE
/*
	Normie's Template v2.5
	Changes:
    Added warning against using pragmas on USACO.
*/
// Standard library in one include.
#include <bits/stdc++.h>
using namespace std;
 
// ordered_set library.
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
#define ordered_set(el) tree<el,null_type,less<el>,rb_tree_tag,tree_order_statistics_node_update>
 
// AtCoder library. (Comment out these two lines if you're not submitting in AtCoder.) (Or if you want to use it in other judges, run expander.py first.)
//#include <atcoder/all>
//using namespace atcoder;

//Pragmas (Comment out these three lines if you're submitting in szkopul or USACO.)
#pragma comment(linker, "/stack:200000000")
#pragma GCC optimize("Ofast,unroll-loops,tree-vectorize")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native")
 
//File I/O.
#define FILE_IN "cseq.inp"
#define FILE_OUT "cseq.out"
#define ofile freopen(FILE_IN,"r",stdin);freopen(FILE_OUT,"w",stdout)
 
//Fast I/O.
#define fio ios::sync_with_stdio(0);cin.tie(0)
#define nfio cin.tie(0)
#define endl "\n"
 
//Order checking.
#define ord(a,b,c) ((a>=b)and(b>=c))
 
//min/max redefines, so i dont have to resolve annoying compile errors.
#define min(a,b) (((a)<(b))?(a):(b))
#define max(a,b) (((a)>(b))?(a):(b))

// Fast min/max assigns to use with AVX.
// Requires g++ 9.2.0.
template<typename T>
__attribute__((always_inline)) void chkmin(T& a, const T& b) {
    a=(a<b)?a:b;
}

template<typename T>
__attribute__((always_inline)) void chkmax(T& a, const T& b) {
    a=(a>b)?a:b;
}
 
//Constants.
#define MOD (ll(998244353))
#define MAX 300001
#define mag 320
const long double PI=3.14159265358979;
 
//Pairs and 3-pairs.
#define p1 first
#define p2 second.first
#define p3 second.second
#define fi first
#define se second
#define pii(element_type) pair<element_type,element_type>
#define piii(element_type) pair<element_type,pii(element_type)>
 
//Quick power of 2.
#define pow2(x) (ll(1)<<x)
 
//Short for-loops.
#define ff(i,__,___) for(int i=__;i<=___;i++)
#define rr(i,__,___) for(int i=__;i>=___;i--)
 
//Typedefs.
#define bi BigInt
typedef long long ll;
typedef long double ld;
typedef short sh;

// Binpow and stuff
ll BOW(ll a, ll x, ll p)
{
	if (!x) return 1;
	ll res=BOW(a,x/2,p);
	res*=res;
	res%=p;
	if (x%2) res*=a;
	return res%p;
}
ll INV(ll a, ll p)
{
	return BOW(a,p-2,p);
}
//---------END-------//
#endif
vector<ll> vec;
vector<vector<ll>> vec2;
vector<ll> vec3;
ll n,m,i,j,k,t,t1,u,v,a,b;
ll arr[1000001];
ll summ;
struct cmp {
    ll operator()(int i,int j) const {
        if (arr[i]-arr[j]) return (arr[i]<arr[j]);
        return (i<j);
    }
};
priority_queue<int,vector<int>,cmp> lmao;
int main()
{
	fio;
    cin>>n>>m;
    for (i=1;i<=n;i++) {
        cin>>arr[i];
        summ+=arr[i];
        lmao.push(i);
    }
    lmao.push(0);
    while(true) {
        vec.clear();
        for (i=0;i<m;i++) {
            vec.push_back(lmao.top());
            lmao.pop();
            t++;
            assert(t<=3e6);
        }
        u=arr[vec[m-1]];
        if (arr[lmao.top()]*m>summ) break;
        else u=min(u,(summ-(arr[lmao.top()]*m))/m);
        a=1;
        for (auto g : vec) {
            if (!arr[g]) a=0;
        }
        if (!a) break;
        for (auto g : vec) {
            arr[g]-=u;
            lmao.push(g);
        }
        vec2.push_back(vec);
        vec3.push_back(u);
        summ-=m*u;
    }
    for (i=1;i<=n;i++) if (arr[i]) {
        cout<<"-1";
        return 0;
    }
    cout<<vec2.size()<<endl;
    for (i=0;i<vec2.size();i++) {
        cout<<vec3[i];
        for (auto g : vec2[i]) cout<<' '<<g;
        cout<<endl;
    }

}
// N;

Compilation message

nicegift.cpp:23: warning: ignoring '#pragma comment ' [-Wunknown-pragmas]
   23 | #pragma comment(linker, "/stack:200000000")
      | 
nicegift.cpp: In function 'int main()':
nicegift.cpp:152:15: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<std::vector<long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  152 |     for (i=0;i<vec2.size();i++) {
      |              ~^~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB n=4
2 Correct 0 ms 204 KB n=3
3 Correct 0 ms 204 KB n=3
4 Correct 1 ms 256 KB n=4
5 Correct 1 ms 204 KB n=4
6 Correct 0 ms 204 KB n=2

Subtask #2
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB n=4
2 Correct 0 ms 204 KB n=3
3 Correct 0 ms 204 KB n=3
4 Correct 1 ms 256 KB n=4
5 Correct 1 ms 204 KB n=4
6 Correct 0 ms 204 KB n=2
7 Correct 0 ms 204 KB n=5
8 Correct 0 ms 204 KB n=8
9 Correct 0 ms 204 KB n=14
10 Correct 0 ms 204 KB n=11
11 Correct 25 ms 3112 KB n=50000
12 Correct 20 ms 2836 KB n=50000
13 Correct 1 ms 204 KB n=10
14 Correct 1 ms 332 KB n=685
15 Correct 1 ms 332 KB n=623
16 Correct 1 ms 332 KB n=973

Subtask #3
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB n=4
2 Correct 0 ms 204 KB n=3
3 Correct 0 ms 204 KB n=3
4 Correct 1 ms 256 KB n=4
5 Correct 1 ms 204 KB n=4
6 Correct 0 ms 204 KB n=2
7 Correct 0 ms 204 KB n=5
8 Correct 0 ms 204 KB n=8
9 Correct 0 ms 204 KB n=14
10 Correct 0 ms 204 KB n=11
11 Correct 25 ms 3112 KB n=50000
12 Correct 20 ms 2836 KB n=50000
13 Correct 1 ms 204 KB n=10
14 Correct 1 ms 332 KB n=685
15 Correct 1 ms 332 KB n=623
16 Correct 1 ms 332 KB n=973
17 Correct 1 ms 332 KB n=989
18 Correct 1 ms 332 KB n=563
19 Correct 1 ms 332 KB n=592
20 Correct 1 ms 332 KB n=938
21 Correct 1 ms 332 KB n=747
22 Correct 1 ms 332 KB n=991

Subtask #4
19.0 / 19.0

# 결과 실행 시간 메모리 Grader output
1 Correct 576 ms 57288 KB n=1000000
2 Correct 352 ms 29808 KB n=666666
3 Correct 194 ms 15152 KB n=400000
4 Correct 139 ms 10120 KB n=285714
5 Correct 9 ms 752 KB n=20000
6 Correct 83 ms 6256 KB n=181818
7 Correct 5 ms 460 KB n=10000
8 Correct 4 ms 508 KB n=6666
9 Correct 3 ms 332 KB n=4000
10 Correct 5 ms 588 KB n=2857
11 Correct 1 ms 332 KB n=2000

Subtask #5
51.0 / 51.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB n=4
2 Correct 0 ms 204 KB n=3
3 Correct 0 ms 204 KB n=3
4 Correct 1 ms 256 KB n=4
5 Correct 1 ms 204 KB n=4
6 Correct 0 ms 204 KB n=2
7 Correct 0 ms 204 KB n=5
8 Correct 0 ms 204 KB n=8
9 Correct 0 ms 204 KB n=14
10 Correct 0 ms 204 KB n=11
11 Correct 25 ms 3112 KB n=50000
12 Correct 20 ms 2836 KB n=50000
13 Correct 1 ms 204 KB n=10
14 Correct 1 ms 332 KB n=685
15 Correct 1 ms 332 KB n=623
16 Correct 1 ms 332 KB n=973
17 Correct 1 ms 332 KB n=989
18 Correct 1 ms 332 KB n=563
19 Correct 1 ms 332 KB n=592
20 Correct 1 ms 332 KB n=938
21 Correct 1 ms 332 KB n=747
22 Correct 1 ms 332 KB n=991
23 Correct 576 ms 57288 KB n=1000000
24 Correct 352 ms 29808 KB n=666666
25 Correct 194 ms 15152 KB n=400000
26 Correct 139 ms 10120 KB n=285714
27 Correct 9 ms 752 KB n=20000
28 Correct 83 ms 6256 KB n=181818
29 Correct 5 ms 460 KB n=10000
30 Correct 4 ms 508 KB n=6666
31 Correct 3 ms 332 KB n=4000
32 Correct 5 ms 588 KB n=2857
33 Correct 1 ms 332 KB n=2000
34 Correct 17 ms 2092 KB n=23514
35 Correct 16 ms 2052 KB n=23514
36 Correct 1 ms 332 KB n=940
37 Correct 0 ms 204 KB n=2
38 Correct 48 ms 3744 KB n=100000
39 Correct 53 ms 3748 KB n=100000
40 Correct 1 ms 204 KB n=10
41 Correct 1 ms 332 KB n=100
42 Correct 3 ms 460 KB n=1000
43 Correct 681 ms 73344 KB n=1000000
44 Correct 1394 ms 76780 KB n=1000000
45 Correct 789 ms 51520 KB n=666666
46 Correct 405 ms 28288 KB n=400000
47 Correct 13 ms 972 KB n=2336
48 Correct 731 ms 49412 KB n=285714
49 Correct 678 ms 41512 KB n=181818
50 Correct 34 ms 2500 KB n=40000
51 Correct 17 ms 1356 KB n=20000
52 Correct 10 ms 912 KB n=10000
53 Correct 67 ms 4320 KB n=6666
54 Correct 6 ms 588 KB n=4000
55 Correct 299 ms 16176 KB n=2857
56 Correct 4 ms 460 KB n=2000