Submission #366149

#	Time	Username	Problem	Language	Result	Execution time	Memory
366149		Hemimor	Restore Array (RMI19_restore)	C++14	20 / 100	648 ms	876 KiB

restore

#include <algorithm>
#include <iostream>
#include <iomanip>
#include <numeric>
#include <cassert>
#include <vector>
#include <random>
#include <cmath>
#include <stack>
#include <queue>
#include <set>
#include <map>
#define syosu(x) fixed<<setprecision(x)
using namespace std;
typedef long long ll;
typedef unsigned int uint;
typedef unsigned long long ull;
typedef pair<int,int> P;
typedef pair<double,double> pdd;
typedef pair<ll,ll> pll;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<double> vd;
typedef vector<vd> vvd;
typedef vector<ll> vl;
typedef vector<vl> vvl;
typedef vector<string> vs;
typedef vector<P> vp;
typedef vector<vp> vvp;
typedef vector<pll> vpll;
typedef pair<int,P> pip;
typedef vector<pip> vip;
const int inf=1<<30;
const ll INF=1ll<<60;
const double pi=acos(-1);
const double eps=1e-8;
const ll mod=1e9+7;
const int dx[8]={-1,0,1,0,1,1,-1,-1},dy[8]={0,1,0,-1,1,-1,1,-1};

vi vin(int n,int d=0){
	vi a(n);
	for(int i=0;i<n;i++){
		cin>>a[i];
		a[i]-=d;
	}
	return a;
}

vl vlin(int n,int d=0){
	vl a(n);
	for(auto &i:a){
		cin>>i;
		i-=d;
	}
	return a;
}

vvi vvin(int n,int m){
	vvi a(n,vi(m));
	for(int i=0;i<n;i++) for(auto &j:a[i]) cin>>j;
	return a;
}

vvi gin(int n,int m,int d=1){
	vvi g(n);
	for(int i=0;i<m;i++){
		int u,v;
		cin>>u>>v;
		u-=d,v-=d;
		g[u].push_back(v);
		g[v].push_back(u);
	}
	return g;
}

void vout(vi a){
	int n=a.size();
	cout<<n<<" :";
	for(auto i:a) cout<<' '<<i;
	cout<<endl;
}

void vvout(vvi a){
	int n=a.size();
	for(int i=0;i<n;i++) vout(a[i]);
}

bool ingrid(int x,int y,int n,int m){
	return 0<=x&&x<n&&0<=y&&y<m;
}

int n,m;

int main(){
	scanf("%d%d",&n,&m);
	vvp g(n+1);
	vi d(n+1,inf);
	d[0]=0;
	for(int i=0;i<n;i++){
		g[i].emplace_back(i+1,1);
		g[i+1].emplace_back(i,0);
	}
	for(int i=0;i<m;i++){
		int l,r,k,v;
		scanf("%d%d%d%d",&l,&r,&k,&v);
		r++;
		if(v==0){
			// A_r-A_l<=r-l-k
			g[l].emplace_back(r,r-l-k);
		}
		else{
			// A_r-A_l>=r-l-k+1
			// A_l-A_r<=l-r+k-1
			g[r].emplace_back(l,l-r+k-1);
		}
	}
	for(int i=0;i<=n;i++){
		bool B=0;
		for(int j=0;j<=n;j++){
			for(auto p:g[j]){
				int v=p.first;
				if(d[j]+p.second<d[v]){
					d[v]=d[j]+p.second;
					B=1;
				}
			}
		}
		if(B==0) break;
		if(B==1&&i==n){
			printf("-1\n");
			return 0;
		}
	}
	for(int i=1;i<=n;i++){
		if(i>1) printf(" ");
		printf("%d",d[i]-d[i-1]);
	}
	puts("");
}

Compilation message (stderr)

restore.cpp: In function 'int main()':
restore.cpp:95:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   95 |  scanf("%d%d",&n,&m);
      |  ~~~~~^~~~~~~~~~~~~~
restore.cpp:105:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  105 |   scanf("%d%d%d%d",&l,&r,&k,&v);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 7 / 7
• Subtask 2: 13 / 13
• Subtask 3: 0 / 25
• Subtask 4: 0 / 55