Submission #981151

# Submission time Handle Problem Language Result Execution time Memory
981151 2024-05-12T23:15:33 Z aaaaaarroz Snowball (JOI21_ho_t2) C++17
100 / 100
879 ms 16128 KB
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
signed main() {
	ll n, q;
	cin>>n>>q;
	vector<ll>pos(n);
	for(ll i=0;i<n;i++){
		cin>>pos[i];
	}
	vector<pair<ll,ll>>rangos;
	rangos.push_back({0,0});
	ll ml=0,rr=0;
	ll suma=0;
	for(ll i=0;i<q;i++){
		ll w;
		cin>>w;
		suma+=w;
		rr=max(suma,rr);
		ml=min(suma,ml);
		rangos.push_back({ml,rr});
	}
	vector<ll>amplitud(n,0LL);
	amplitud[0]=-rangos[rangos.size()-1].first;
	amplitud[n-1]+=rangos[rangos.size()-1].second;
	for(ll i=0LL;i<n-1;i++){
		ll l=0,r=rangos.size();
		while(l<r){
			ll mid=(l+r)/2;
			if(pos[i]+rangos[mid].second>pos[i+1]+rangos[mid].first){
				r=mid;
			}
			else{
				l=mid+1;
			}
		}
		cerr << "bs = " << l << endl;
		ll dir=0;
		if(l==rangos.size()){
			amplitud[i]+=rangos[l-1].second;
			amplitud[i+1]+=-rangos[l-1].first;
			continue;
		}
		if(rangos[l].first<rangos[l-1].first)dir=-1;
		else dir=1;
		ll e=0;
		if(dir==1){
			amplitud[i+1]+=abs(min(0LL,rangos[l].first));
			ll diff=pos[i+1]-abs(min(0LL,rangos[l].first));
			diff=max(0LL,diff-pos[i]);
			amplitud[i]+=diff;
		}
		else{
			amplitud[i]+=abs(max(0LL,rangos[l].second));
			ll diff=pos[i]+abs(max(0LL,rangos[l].second));
			diff=max(0LL,pos[i+1]-diff);
			amplitud[i+1]+=diff;
		}
	}
	for(ll i=0;i<n;i++){
		cout<<amplitud[i]<<"\n";
	}
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:39:7: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |   if(l==rangos.size()){
      |      ~^~~~~~~~~~~~~~~
Main.cpp:46:6: warning: unused variable 'e' [-Wunused-variable]
   46 |   ll e=0;
      |      ^
# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 2 ms 524 KB Output is correct
4 Correct 8 ms 348 KB Output is correct
5 Correct 8 ms 348 KB Output is correct
6 Correct 8 ms 484 KB Output is correct
7 Correct 8 ms 600 KB Output is correct
8 Correct 8 ms 348 KB Output is correct
9 Correct 8 ms 348 KB Output is correct
10 Correct 8 ms 552 KB Output is correct
11 Correct 8 ms 448 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 8 ms 376 KB Output is correct
16 Correct 8 ms 348 KB Output is correct
17 Correct 8 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 8 ms 348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 2 ms 524 KB Output is correct
4 Correct 8 ms 348 KB Output is correct
5 Correct 8 ms 348 KB Output is correct
6 Correct 8 ms 484 KB Output is correct
7 Correct 8 ms 600 KB Output is correct
8 Correct 8 ms 348 KB Output is correct
9 Correct 8 ms 348 KB Output is correct
10 Correct 8 ms 552 KB Output is correct
11 Correct 8 ms 448 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 8 ms 376 KB Output is correct
16 Correct 8 ms 348 KB Output is correct
17 Correct 8 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 8 ms 348 KB Output is correct
20 Correct 77 ms 6880 KB Output is correct
21 Correct 62 ms 6080 KB Output is correct
22 Correct 70 ms 6336 KB Output is correct
23 Correct 71 ms 6340 KB Output is correct
24 Correct 125 ms 8120 KB Output is correct
25 Correct 805 ms 14952 KB Output is correct
26 Correct 879 ms 14012 KB Output is correct
27 Correct 820 ms 13804 KB Output is correct
28 Correct 804 ms 14224 KB Output is correct
29 Correct 806 ms 13984 KB Output is correct
30 Correct 783 ms 12988 KB Output is correct
31 Correct 754 ms 12848 KB Output is correct
32 Correct 759 ms 13488 KB Output is correct
33 Correct 80 ms 1740 KB Output is correct
34 Correct 815 ms 14752 KB Output is correct
35 Correct 837 ms 14620 KB Output is correct
36 Correct 801 ms 14436 KB Output is correct
37 Correct 807 ms 14524 KB Output is correct
38 Correct 803 ms 14116 KB Output is correct
39 Correct 815 ms 14932 KB Output is correct
40 Correct 776 ms 14800 KB Output is correct
41 Correct 73 ms 8384 KB Output is correct
42 Correct 774 ms 12640 KB Output is correct
43 Correct 796 ms 14804 KB Output is correct
44 Correct 72 ms 7360 KB Output is correct
45 Correct 771 ms 14428 KB Output is correct
46 Correct 799 ms 16128 KB Output is correct
47 Correct 817 ms 15300 KB Output is correct
48 Correct 799 ms 15388 KB Output is correct