oj.uz

Submission #386701

# Submission time Handle Problem Language Result Execution time Memory
386701 2021-04-07T08:27:37 Z vanic Gift (IZhO18_nicegift) C++14
0 / 100
 2000 ms 142316 KB 
#include <cstdio>
#include <cmath>
#include <algorithm>
#include <set>
#include <vector>
#include <array>

using namespace std;
typedef long long ll;

const int maxn=1e6+5;

ll a[maxn];
ll sum;
array < ll, 3 > v[maxn*4];
set < int > cur;

void scan(ll &a){
	a=0;
	char c=getchar();
	while(c>='0' && c<='9'){
		a*=10;
		a+=c-'0';
		c=getchar();
	}
}

int main(){
	ll n, k;
	scan(n);
	scan(k);
	for(int i=0; i<n; i++){
		scan(a[i]);
		sum+=a[i];
	}
	if(sum%k){
		printf("-1\n");
		return 0;
	}
	sum/=k;
	for(int i=0; i<n; i++){
		if(a[i]>sum){
			printf("-1\n");
			return 0;
		}
	}
	int pos=0;
	int iduc;
	int br=0;
	for(int i=0; i<n; i++){
		iduc=pos+a[i];
		if(iduc>sum){
			v[br]={pos, i+1, 1};
			br++;
			v[br]={sum, i+1, 0};
			br++;
			iduc-=sum;
			pos=0;
		}
		v[br]={pos, i+1, 1};
		br++;
		v[br]={iduc, i+1, 0};
		br++;
		if(iduc==sum){
			iduc=0;
		}
		pos=iduc;
	}
	sort(v, v+br);
	int sol=0;
	for(int i=0; i<br-1; i++){
		if(v[i][0]!=v[i+1][0]){
			sol++;
		}
	}
	printf("%d\n", sol);
	for(int i=0; i<br; i++){
		if(v[i][2]){
			cur.insert(v[i][1]);
		}
		else{
			cur.erase(v[i][1]);
		}
		if(i==br-1 || v[i][0]==v[i+1][0]){
			continue;
		}
		printf("%lld ", v[i+1][0]-v[i][0]);
		for(set < int >::iterator it=cur.begin(); it!=cur.end(); it++){
			printf("%d ", *it);
		}
		printf("\n");
	}
	return 0;
}

Subtask #1
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 364 KB Taken too much stones from the heap
2 Halted 0 ms 0 KB -

Subtask #2
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 364 KB Taken too much stones from the heap
2 Halted 0 ms 0 KB -

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 364 KB Taken too much stones from the heap
2 Halted 0 ms 0 KB -

Subtask #4
0 / 19.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2080 ms 142316 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 51.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 364 KB Taken too much stones from the heap
2 Halted 0 ms 0 KB -