Submission #1864829
Source Code Expand
#include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace std; using namespace __gnu_pbds; #define fi first #define se second #define mp make_pair #define pb push_back #define fbo find_by_order #define ook order_of_key typedef long long ll; typedef pair<int,int> ii; typedef vector<int> vi; typedef long double ld; typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> pbds; typedef set<int>::iterator sit; typedef map<int,int>::iterator mit; typedef vector<int>::iterator vit; ll x[111111]; ll dp[111111]; int main() { ios_base::sync_with_stdio(0); cin.tie(0); ll lmin=ll(1e18); deque<pair<ll,ll> > rmin; int n; cin>>n; ll e,t; cin>>e>>t; x[0]=0; for(int i=1;i<=n;i++) { cin>>x[i]; } int ptr=1; rmin.pb(mp(dp[0]-x[0]+t,1)); for(int i=1;i<=n;i++) { while(ptr<=i&&x[i]>=t/2+x[ptr]+1) //this means that we need to remove ptr from the "T - 2(x_i - x_{j+1})" is large part { if(!rmin.empty()&&rmin.front().se==ptr) rmin.pop_front(); lmin = min(lmin, dp[ptr-1]-2*x[ptr]-x[ptr-1]); ptr++; } ll best=lmin; if(!rmin.empty()) best=min(best,-2*x[i]+rmin.front().fi); dp[i]=best+3LL*x[i]; ll cost = dp[i]-x[i]+t; while(!rmin.empty()&&rmin.back().fi>=cost) rmin.pop_back(); rmin.pb(mp(cost,i+1)); } cout<<dp[n]+e-x[n]; }
Submission Info
Submission Time | |
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Task | D - Shik and Game |
User | vjudge4 |
Language | C++14 (GCC 5.4.1) |
Score | 1200 |
Code Size | 1353 Byte |
Status | AC |
Exec Time | 13 ms |
Memory | 2560 KB |
Judge Result
Set Name | Sample | Subtask1 | All | ||||||
---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 600 / 600 | 600 / 600 | ||||||
Status |
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Set Name | Test Cases |
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Sample | 0_00.txt, 0_01.txt, 0_02.txt |
Subtask1 | 0_00.txt, 0_01.txt, 0_02.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 1_11.txt, 1_12.txt, 1_13.txt, 1_14.txt, 1_15.txt, 1_16.txt, 1_17.txt, 1_18.txt, 1_19.txt |
All | 0_00.txt, 0_01.txt, 0_02.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 1_11.txt, 1_12.txt, 1_13.txt, 1_14.txt, 1_15.txt, 1_16.txt, 1_17.txt, 1_18.txt, 1_19.txt, 2_00.txt, 2_01.txt, 2_02.txt, 2_03.txt, 2_04.txt, 2_05.txt, 2_06.txt, 2_07.txt, 2_08.txt, 2_09.txt, 2_10.txt, 2_11.txt, 2_12.txt, 2_13.txt, 2_14.txt, 2_15.txt, 2_16.txt, 2_17.txt, 2_18.txt, 2_19.txt, 2_20.txt, 2_21.txt, 2_22.txt, 2_23.txt, 2_24.txt, 2_25.txt, 2_26.txt, 2_27.txt, 2_28.txt, 2_29.txt, 2_30.txt, 2_31.txt, 2_32.txt, 2_33.txt, 2_34.txt, 2_35.txt, 2_36.txt, 2_37.txt, 2_38.txt, 2_39.txt, 2_40.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
0_00.txt | AC | 1 ms | 256 KB |
0_01.txt | AC | 1 ms | 256 KB |
0_02.txt | AC | 1 ms | 256 KB |
1_00.txt | AC | 1 ms | 256 KB |
1_01.txt | AC | 1 ms | 256 KB |
1_02.txt | AC | 1 ms | 256 KB |
1_03.txt | AC | 1 ms | 256 KB |
1_04.txt | AC | 1 ms | 256 KB |
1_05.txt | AC | 1 ms | 256 KB |
1_06.txt | AC | 1 ms | 256 KB |
1_07.txt | AC | 1 ms | 256 KB |
1_08.txt | AC | 1 ms | 256 KB |
1_09.txt | AC | 1 ms | 256 KB |
1_10.txt | AC | 1 ms | 256 KB |
1_11.txt | AC | 1 ms | 256 KB |
1_12.txt | AC | 1 ms | 256 KB |
1_13.txt | AC | 1 ms | 256 KB |
1_14.txt | AC | 1 ms | 256 KB |
1_15.txt | AC | 1 ms | 256 KB |
1_16.txt | AC | 1 ms | 256 KB |
1_17.txt | AC | 1 ms | 256 KB |
1_18.txt | AC | 1 ms | 256 KB |
1_19.txt | AC | 1 ms | 256 KB |
2_00.txt | AC | 11 ms | 1792 KB |
2_01.txt | AC | 11 ms | 1792 KB |
2_02.txt | AC | 11 ms | 1792 KB |
2_03.txt | AC | 11 ms | 1792 KB |
2_04.txt | AC | 11 ms | 1792 KB |
2_05.txt | AC | 11 ms | 1792 KB |
2_06.txt | AC | 11 ms | 1792 KB |
2_07.txt | AC | 11 ms | 1792 KB |
2_08.txt | AC | 11 ms | 1792 KB |
2_09.txt | AC | 11 ms | 1792 KB |
2_10.txt | AC | 12 ms | 1792 KB |
2_11.txt | AC | 12 ms | 1792 KB |
2_12.txt | AC | 12 ms | 1792 KB |
2_13.txt | AC | 12 ms | 1792 KB |
2_14.txt | AC | 12 ms | 1792 KB |
2_15.txt | AC | 12 ms | 1792 KB |
2_16.txt | AC | 12 ms | 1792 KB |
2_17.txt | AC | 12 ms | 1792 KB |
2_18.txt | AC | 12 ms | 1792 KB |
2_19.txt | AC | 13 ms | 1792 KB |
2_20.txt | AC | 13 ms | 1792 KB |
2_21.txt | AC | 13 ms | 1792 KB |
2_22.txt | AC | 13 ms | 1792 KB |
2_23.txt | AC | 13 ms | 1792 KB |
2_24.txt | AC | 13 ms | 1792 KB |
2_25.txt | AC | 13 ms | 1792 KB |
2_26.txt | AC | 13 ms | 1792 KB |
2_27.txt | AC | 13 ms | 1792 KB |
2_28.txt | AC | 13 ms | 1792 KB |
2_29.txt | AC | 13 ms | 1792 KB |
2_30.txt | AC | 13 ms | 1792 KB |
2_31.txt | AC | 13 ms | 1920 KB |
2_32.txt | AC | 13 ms | 1920 KB |
2_33.txt | AC | 13 ms | 1920 KB |
2_34.txt | AC | 13 ms | 1920 KB |
2_35.txt | AC | 13 ms | 2048 KB |
2_36.txt | AC | 13 ms | 2048 KB |
2_37.txt | AC | 13 ms | 2176 KB |
2_38.txt | AC | 13 ms | 2176 KB |
2_39.txt | AC | 13 ms | 2304 KB |
2_40.txt | AC | 13 ms | 2560 KB |