Submission #1047200
Source Code Expand
#include <bits/stdc++.h> using namespace std; #define FOR(i,a,b) for(int i=(a);i<(b);i++) #define REP(i,a) FOR(i,0,a) typedef long long ll; typedef vector<ll> vec; const int MAX_N=1e5; int N,L; ll A[MAX_N],B[MAX_N],C[MAX_N]; vec xs; void compress(){ sort(xs.begin(),xs.end()); xs.erase(unique(xs.begin(),xs.end()),xs.end()); } ll f(ll x){ ll res=abs(x)*(L-A[N-1]); REP(i,N-1){ res+=abs(C[i]-(B[i]+x))*(A[i+1]-A[i]); } return res; } int main(){ scanf("%d %d",&N,&L); REP(i,N){ scanf("%lld %lld %lld",&A[i],&B[i],&C[i]); } FOR(i,1,N){ B[i]+=B[i-1]; C[i]+=C[i-1]; } REP(i,N-1){ xs.push_back(C[i]-B[i]); } xs.push_back(0); compress(); int l=0,r=xs.size(); while(r-l>2){ int a=(2*l+r)/3,b=(l+2*r)/3; if (f(xs[a])<f(xs[b])){ r=b; }else{ l=a; } } printf("%lld\n",min(f(xs[l]),f(xs[r-1]))); return 0; }
Submission Info
Submission Time | |
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Task | D - タクシー |
User | addeight |
Language | C++ (G++ 4.6.4) |
Score | 100 |
Code Size | 898 Byte |
Status | AC |
Exec Time | 64 ms |
Memory | 4336 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:29:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] ./Main.cpp:31:44: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
Judge Result
Set Name | Sample | Subtask1 | Subtask2 | Subtask3 | ||||||||
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Score / Max Score | 0 / 0 | 15 / 15 | 30 / 30 | 55 / 55 | ||||||||
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Set Name | Test Cases |
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Sample | subtask0-sample-01.txt, subtask0-sample-02.txt |
Subtask1 | subtask0-sample-01.txt, subtask0-sample-02.txt, subtask1-01.txt, subtask1-02.txt, subtask1-03.txt, subtask1-04.txt, subtask1-05.txt, subtask1-06.txt, subtask1-07.txt, subtask1-08.txt, subtask1-09.txt, subtask1-10.txt, subtask1-11.txt, subtask1-12.txt, subtask1-13.txt, subtask1-14.txt, subtask1-15.txt, subtask1-16.txt, subtask1-17.txt, subtask1-18.txt, subtask1-19.txt, subtask1-20.txt |
Subtask2 | subtask0-sample-01.txt, subtask0-sample-02.txt, subtask1-01.txt, subtask1-02.txt, subtask1-03.txt, subtask1-04.txt, subtask1-05.txt, subtask1-06.txt, subtask1-07.txt, subtask1-08.txt, subtask1-09.txt, subtask1-10.txt, subtask1-11.txt, subtask1-12.txt, subtask1-13.txt, subtask1-14.txt, subtask1-15.txt, subtask1-16.txt, subtask1-17.txt, subtask1-18.txt, subtask1-19.txt, subtask1-20.txt, subtask2-01.txt, subtask2-02.txt, subtask2-03.txt, subtask2-04.txt, subtask2-05.txt, subtask2-06.txt, subtask2-07.txt, subtask2-08.txt, subtask2-09.txt, subtask2-10.txt, subtask2-11.txt, subtask2-12.txt, subtask2-13.txt, subtask2-14.txt, subtask2-15.txt, subtask2-16.txt, subtask2-17.txt, subtask2-18.txt, subtask2-19.txt, subtask2-20.txt |
Subtask3 | subtask0-sample-01.txt, subtask0-sample-02.txt, subtask1-01.txt, subtask1-02.txt, subtask1-03.txt, subtask1-04.txt, subtask1-05.txt, subtask1-06.txt, subtask1-07.txt, subtask1-08.txt, subtask1-09.txt, subtask1-10.txt, subtask1-11.txt, subtask1-12.txt, subtask1-13.txt, subtask1-14.txt, subtask1-15.txt, subtask1-16.txt, subtask1-17.txt, subtask1-18.txt, subtask1-19.txt, subtask1-20.txt, subtask2-01.txt, subtask2-02.txt, subtask2-03.txt, subtask2-04.txt, subtask2-05.txt, subtask2-06.txt, subtask2-07.txt, subtask2-08.txt, subtask2-09.txt, subtask2-10.txt, subtask2-11.txt, subtask2-12.txt, subtask2-13.txt, subtask2-14.txt, subtask2-15.txt, subtask2-16.txt, subtask2-17.txt, subtask2-18.txt, subtask2-19.txt, subtask2-20.txt, subtask3-01.txt, subtask3-02.txt, subtask3-03.txt, subtask3-04.txt, subtask3-05.txt, subtask3-06.txt, subtask3-07.txt, subtask3-08.txt, subtask3-09.txt, subtask3-10.txt, subtask3-11.txt, subtask3-12.txt, subtask3-13.txt, subtask3-14.txt, subtask3-15.txt, subtask3-16.txt, subtask3-17.txt, subtask3-18.txt, subtask3-19.txt, subtask3-20.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
subtask0-sample-01.txt | AC | 19 ms | 800 KB |
subtask0-sample-02.txt | AC | 17 ms | 920 KB |
subtask1-01.txt | AC | 18 ms | 920 KB |
subtask1-02.txt | AC | 18 ms | 800 KB |
subtask1-03.txt | AC | 19 ms | 1048 KB |
subtask1-04.txt | AC | 18 ms | 1052 KB |
subtask1-05.txt | AC | 20 ms | 928 KB |
subtask1-06.txt | AC | 21 ms | 924 KB |
subtask1-07.txt | AC | 20 ms | 1056 KB |
subtask1-08.txt | AC | 18 ms | 1052 KB |
subtask1-09.txt | AC | 24 ms | 1056 KB |
subtask1-10.txt | AC | 20 ms | 1056 KB |
subtask1-11.txt | AC | 20 ms | 1056 KB |
subtask1-12.txt | AC | 20 ms | 1052 KB |
subtask1-13.txt | AC | 20 ms | 928 KB |
subtask1-14.txt | AC | 19 ms | 1048 KB |
subtask1-15.txt | AC | 18 ms | 1056 KB |
subtask1-16.txt | AC | 20 ms | 924 KB |
subtask1-17.txt | AC | 18 ms | 1012 KB |
subtask1-18.txt | AC | 19 ms | 1052 KB |
subtask1-19.txt | AC | 20 ms | 1056 KB |
subtask1-20.txt | AC | 21 ms | 1056 KB |
subtask2-01.txt | AC | 19 ms | 1056 KB |
subtask2-02.txt | AC | 19 ms | 1056 KB |
subtask2-03.txt | AC | 18 ms | 1052 KB |
subtask2-04.txt | AC | 20 ms | 924 KB |
subtask2-05.txt | AC | 18 ms | 928 KB |
subtask2-06.txt | AC | 19 ms | 1056 KB |
subtask2-07.txt | AC | 20 ms | 1056 KB |
subtask2-08.txt | AC | 20 ms | 1052 KB |
subtask2-09.txt | AC | 18 ms | 968 KB |
subtask2-10.txt | AC | 20 ms | 928 KB |
subtask2-11.txt | AC | 20 ms | 1056 KB |
subtask2-12.txt | AC | 20 ms | 1052 KB |
subtask2-13.txt | AC | 18 ms | 1052 KB |
subtask2-14.txt | AC | 20 ms | 972 KB |
subtask2-15.txt | AC | 18 ms | 1048 KB |
subtask2-16.txt | AC | 20 ms | 1052 KB |
subtask2-17.txt | AC | 20 ms | 1056 KB |
subtask2-18.txt | AC | 20 ms | 1048 KB |
subtask2-19.txt | AC | 20 ms | 1056 KB |
subtask2-20.txt | AC | 19 ms | 928 KB |
subtask3-01.txt | AC | 27 ms | 1696 KB |
subtask3-02.txt | AC | 39 ms | 2592 KB |
subtask3-03.txt | AC | 64 ms | 4336 KB |
subtask3-04.txt | AC | 59 ms | 4248 KB |
subtask3-05.txt | AC | 63 ms | 4244 KB |
subtask3-06.txt | AC | 63 ms | 4248 KB |
subtask3-07.txt | AC | 62 ms | 4200 KB |
subtask3-08.txt | AC | 62 ms | 4196 KB |
subtask3-09.txt | AC | 51 ms | 4244 KB |
subtask3-10.txt | AC | 63 ms | 4252 KB |
subtask3-11.txt | AC | 48 ms | 4248 KB |
subtask3-12.txt | AC | 62 ms | 4244 KB |
subtask3-13.txt | AC | 62 ms | 4248 KB |
subtask3-14.txt | AC | 63 ms | 4252 KB |
subtask3-15.txt | AC | 62 ms | 4248 KB |
subtask3-16.txt | AC | 63 ms | 4256 KB |
subtask3-17.txt | AC | 62 ms | 4256 KB |
subtask3-18.txt | AC | 62 ms | 4248 KB |
subtask3-19.txt | AC | 62 ms | 4256 KB |
subtask3-20.txt | AC | 63 ms | 4252 KB |