Submission #242488

#	Time	Username	Problem	Language	Result	Execution time	Memory
242488		MatesV13	Segway (COI19_segway)	C++11	55 / 100	49 ms	1536 KiB

segway

#include <bits/stdc++.h>
using namespace std;
long long n, a[20005], b[20005], c[20005];
long long m, x, seg[305], dp[305][305], poz[305], ubrz[305];
long long ans[20005], nekoime[20005];
long long ubrzaj (int pozicija, int trenutak){
	int ret=0;
	for (int i=0; i<n; i++)
		if (dp[i][pozicija] and dp[i][pozicija]<trenutak) ret++;
	return (ret%20);
}
int main (){
ios::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
cin >> n; for (int i=0; i<n; i++) cin >> a[i] >> b[i] >> c[i];
cin >> m; for (int i=0; i<m; i++){cin >> x; seg[x]++;} 
if (m!=1){
for (long long vrijeme=1; vrijeme<15005; vrijeme++){
	for (int i=0; i<n; i++){
		if (poz[i]>=300) continue;
		if (ubrz[i]){
			dp[i][poz[i]+1] = dp[i][poz[i]]+1;
			ubrz[i]--; poz[i]++;
			if (!ubrz[i] and seg[poz[i]]) 
				ubrz[i] = ubrzaj(poz[i], vrijeme);
		}
		else {
			if (poz[i]<100){
				if (vrijeme - dp[i][poz[i]] == a[i]){
					dp[i][poz[i]+1]=vrijeme;
					poz[i]++; 
					if (!ubrz[i] and seg[poz[i]]) 
						ubrz[i] = ubrzaj(poz[i], vrijeme);
				}
			}
			else if (poz[i]<200){
				if (vrijeme - dp[i][poz[i]] == b[i]){
					dp[i][poz[i]+1]=vrijeme;
					poz[i]++; 
					if (!ubrz[i] and seg[poz[i]]) 
						ubrz[i] = ubrzaj(poz[i], vrijeme);
				}
			}
			else {
				if (vrijeme - dp[i][poz[i]] == c[i]){
					dp[i][poz[i]+1]=vrijeme;
					poz[i]++; 
					if (!ubrz[i] and seg[poz[i]]) 
						ubrz[i] = ubrzaj(poz[i], vrijeme);
				}
			}
		}
	}
}

for (int i=0; i<n; i++) ans[i] = dp[i][300];
}
else {
	vector<pair<int, int> > time_person;
	for (int i=0; i<n; i++){
		if (x<=100) {
			ans[i] = x*a[i];
			time_person.push_back(make_pair(ans[i], i));
		}
		else {
			ans[i]=a[i]*100;
			if (x<=200){
				ans[i] += (x-100)*b[i];
				time_person.push_back(make_pair(ans[i], i));
			}
			else {
				ans[i]+=b[i]*100;
				ans[i]+=(x-200)*c[i];
				time_person.push_back(make_pair(ans[i], i));
			}
		}
	}
	sort(time_person.begin(), time_person.end());
	for (int i=0; i<n; i++){
		if (i and time_person[i].first == time_person[i-1].first){
			nekoime[i]=nekoime[i-1];
		} else nekoime[i]=i; nekoime[i]%=20;
		int idx = time_person[i].second;
		if (nekoime[i]+x>300) ans[idx] += (300-x);
		else {
			ans[idx]+=nekoime[i];
			x+=nekoime[i];
			if (x<=100)
				ans[idx] += (100-x)*a[idx] + 100*b[idx] + 100*c[idx];
			else if (x<=200)
				ans[idx] += (200-x)*b[idx] + 100*c[idx];
			else 
				ans[idx] += (300-x)*c[idx];
			x-=nekoime[i];
		}
	}
}
for (int i=0; i<n; i++) cout << ans[i] << endl;
return 0;
}

• Subtask 1: 15 / 15
• Subtask 2: 40 / 40
• Subtask 3: 0 / 45