Submission #1380176
Source Code Expand
#include <bits/stdc++.h> using namespace std; typedef signed long long ll; #undef _P #define _P(...) (void)printf(__VA_ARGS__) #define FOR(x,to) for(x=0;x<(to);x++) #define FORR(x,arr) for(auto& x:arr) #define ITR(x,c) for(__typeof(c.begin()) x=c.begin();x!=c.end();x++) #define ALL(a) (a.begin()),(a.end()) #define ZERO(a) memset(a,0,sizeof(a)) #define MINUS(a) memset(a,0xff,sizeof(a)) //------------------------------------------------------- int N,K; ll A[101010],B[101010]; ll X[101010],Y[101010]; ll S[101010]; ll dp[101010]; void solve() { int i,j,k,l,r,x,y; string s; cin>>N>>K; FOR(i,N) { cin>>A[i]>>B[i]; if(B[i]==1 && A[i]>K/2) return _P("-1\n"); if(B[i]==2) assert(0); S[i+1]=S[i]+A[i]; } y=0; for(x=1;x<=N;x++) { if(S[x]<=K/2) { X[x]=2*S[x]; } else { while(S[x]-S[y]>K/2) y++; X[x]=X[y]+K; } } y=N; for(x=N-1;x>=0;x--) { if(S[N]-S[x]<=K/2) { Y[x]=2*(S[N]-S[x]); } else { while(S[y]-S[x]>K/2) y--; Y[x]=Y[y]+K; } } ll ret=1LL<<60; FOR(i,N+1) ret=min(ret,X[i]+Y[i]); cout<<ret<<endl; } int main(int argc,char** argv){ string s;int i; if(argc==1) ios::sync_with_stdio(false), cin.tie(0); FOR(i,argc-1) s+=argv[i+1],s+='\n'; FOR(i,s.size()) ungetc(s[s.size()-1-i],stdin); solve(); return 0; }
Submission Info
Submission Time | |
---|---|
Task | F - Train Service Planning |
User | kmjp |
Language | C++14 (GCC 5.4.1) |
Score | 500 |
Code Size | 1341 Byte |
Status | RE |
Exec Time | 105 ms |
Memory | 4224 KB |
Judge Result
Set Name | Sample | All | subtask | subtask2 | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 700 | 500 / 500 | 0 / 500 | ||||||||||||||
Status |
|
|
|
|
Set Name | Test Cases |
---|---|
Sample | sample1.txt, sample2.txt, sample3.txt, sample4.txt |
All | sample1.txt, sample2.txt, sample3.txt, sample4.txt, in1.txt, in10.txt, in101.txt, in102.txt, in103.txt, in104.txt, in105.txt, in106.txt, in107.txt, in108.txt, in109.txt, in11.txt, in110.txt, in12.txt, in13.txt, in14.txt, in15.txt, in16.txt, in17.txt, in18.txt, in19.txt, in2.txt, in20.txt, in21.txt, in22.txt, in23.txt, in24.txt, in25.txt, in26.txt, in27.txt, in28.txt, in3.txt, in4.txt, in5.txt, in6.txt, in7.txt, in8.txt, in9.txt, sample1.txt, sample2.txt, sample3.txt, sample4.txt, sub2in1.txt, sub2in10.txt, sub2in11.txt, sub2in12.txt, sub2in13.txt, sub2in14.txt, sub2in15.txt, sub2in16.txt, sub2in17.txt, sub2in18.txt, sub2in19.txt, sub2in2.txt, sub2in20.txt, sub2in21.txt, sub2in22.txt, sub2in23.txt, sub2in24.txt, sub2in3.txt, sub2in4.txt, sub2in5.txt, sub2in6.txt, sub2in7.txt, sub2in8.txt, sub2in9.txt, subin1.txt, subin10.txt, subin101.txt, subin102.txt, subin103.txt, subin104.txt, subin105.txt, subin106.txt, subin107.txt, subin108.txt, subin109.txt, subin11.txt, subin12.txt, subin13.txt, subin14.txt, subin15.txt, subin16.txt, subin17.txt, subin18.txt, subin19.txt, subin2.txt, subin20.txt, subin201.txt, subin21.txt, subin22.txt, subin23.txt, subin24.txt, subin3.txt, subin4.txt, subin5.txt, subin6.txt, subin7.txt, subin8.txt, subin9.txt |
subtask | sample1.txt, sample2.txt, sample3.txt, subin1.txt, subin10.txt, subin101.txt, subin102.txt, subin103.txt, subin104.txt, subin105.txt, subin106.txt, subin107.txt, subin108.txt, subin109.txt, subin11.txt, subin12.txt, subin13.txt, subin14.txt, subin15.txt, subin16.txt, subin17.txt, subin18.txt, subin19.txt, subin2.txt, subin20.txt, subin201.txt, subin21.txt, subin22.txt, subin23.txt, subin24.txt, subin3.txt, subin4.txt, subin5.txt, subin6.txt, subin7.txt, subin8.txt, subin9.txt |
subtask2 | sample1.txt, sample2.txt, sample3.txt, sample4.txt, sub2in1.txt, sub2in10.txt, sub2in11.txt, sub2in12.txt, sub2in13.txt, sub2in14.txt, sub2in15.txt, sub2in16.txt, sub2in17.txt, sub2in18.txt, sub2in19.txt, sub2in2.txt, sub2in20.txt, sub2in21.txt, sub2in22.txt, sub2in23.txt, sub2in24.txt, sub2in3.txt, sub2in4.txt, sub2in5.txt, sub2in6.txt, sub2in7.txt, sub2in8.txt, sub2in9.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
in1.txt | RE | 102 ms | 2304 KB |
in10.txt | RE | 100 ms | 2304 KB |
in101.txt | RE | 102 ms | 2304 KB |
in102.txt | RE | 104 ms | 2304 KB |
in103.txt | RE | 101 ms | 2304 KB |
in104.txt | RE | 102 ms | 2304 KB |
in105.txt | RE | 102 ms | 2304 KB |
in106.txt | RE | 101 ms | 2304 KB |
in107.txt | RE | 102 ms | 2304 KB |
in108.txt | RE | 100 ms | 2304 KB |
in109.txt | RE | 100 ms | 2304 KB |
in11.txt | RE | 101 ms | 2304 KB |
in110.txt | RE | 102 ms | 2304 KB |
in12.txt | RE | 101 ms | 2304 KB |
in13.txt | RE | 101 ms | 2304 KB |
in14.txt | RE | 104 ms | 2304 KB |
in15.txt | RE | 103 ms | 2304 KB |
in16.txt | RE | 101 ms | 2304 KB |
in17.txt | RE | 101 ms | 2304 KB |
in18.txt | RE | 102 ms | 2304 KB |
in19.txt | RE | 101 ms | 2304 KB |
in2.txt | RE | 101 ms | 2304 KB |
in20.txt | RE | 101 ms | 2304 KB |
in21.txt | RE | 100 ms | 2304 KB |
in22.txt | RE | 101 ms | 2304 KB |
in23.txt | RE | 101 ms | 2304 KB |
in24.txt | RE | 102 ms | 2304 KB |
in25.txt | RE | 101 ms | 2304 KB |
in26.txt | RE | 101 ms | 2304 KB |
in27.txt | RE | 101 ms | 2304 KB |
in28.txt | RE | 100 ms | 2304 KB |
in3.txt | RE | 101 ms | 2304 KB |
in4.txt | RE | 101 ms | 2304 KB |
in5.txt | RE | 105 ms | 2304 KB |
in6.txt | RE | 100 ms | 2304 KB |
in7.txt | RE | 101 ms | 2304 KB |
in8.txt | RE | 99 ms | 2304 KB |
in9.txt | RE | 101 ms | 2304 KB |
sample1.txt | AC | 2 ms | 2304 KB |
sample2.txt | AC | 2 ms | 2304 KB |
sample3.txt | AC | 2 ms | 2304 KB |
sample4.txt | RE | 101 ms | 2304 KB |
sub2in1.txt | RE | 101 ms | 2304 KB |
sub2in10.txt | AC | 2 ms | 2304 KB |
sub2in11.txt | AC | 2 ms | 2304 KB |
sub2in12.txt | AC | 2 ms | 2304 KB |
sub2in13.txt | AC | 2 ms | 2304 KB |
sub2in14.txt | AC | 2 ms | 2304 KB |
sub2in15.txt | RE | 102 ms | 2304 KB |
sub2in16.txt | RE | 101 ms | 2304 KB |
sub2in17.txt | RE | 101 ms | 2304 KB |
sub2in18.txt | RE | 100 ms | 2304 KB |
sub2in19.txt | RE | 99 ms | 2304 KB |
sub2in2.txt | RE | 102 ms | 2304 KB |
sub2in20.txt | AC | 2 ms | 2304 KB |
sub2in21.txt | AC | 2 ms | 2304 KB |
sub2in22.txt | AC | 2 ms | 2304 KB |
sub2in23.txt | AC | 2 ms | 2304 KB |
sub2in24.txt | AC | 2 ms | 2304 KB |
sub2in3.txt | RE | 101 ms | 2304 KB |
sub2in4.txt | RE | 101 ms | 2304 KB |
sub2in5.txt | RE | 101 ms | 2304 KB |
sub2in6.txt | RE | 102 ms | 2304 KB |
sub2in7.txt | RE | 101 ms | 2304 KB |
sub2in8.txt | AC | 2 ms | 2304 KB |
sub2in9.txt | AC | 2 ms | 2304 KB |
subin1.txt | AC | 18 ms | 4224 KB |
subin10.txt | AC | 19 ms | 4224 KB |
subin101.txt | AC | 18 ms | 4224 KB |
subin102.txt | AC | 15 ms | 4224 KB |
subin103.txt | AC | 14 ms | 4224 KB |
subin104.txt | AC | 14 ms | 4224 KB |
subin105.txt | AC | 14 ms | 4224 KB |
subin106.txt | AC | 14 ms | 4224 KB |
subin107.txt | AC | 16 ms | 4224 KB |
subin108.txt | AC | 16 ms | 4224 KB |
subin109.txt | AC | 15 ms | 4224 KB |
subin11.txt | AC | 18 ms | 4224 KB |
subin12.txt | AC | 19 ms | 4224 KB |
subin13.txt | AC | 19 ms | 4224 KB |
subin14.txt | AC | 19 ms | 4224 KB |
subin15.txt | AC | 18 ms | 4224 KB |
subin16.txt | AC | 17 ms | 4224 KB |
subin17.txt | AC | 16 ms | 4224 KB |
subin18.txt | AC | 17 ms | 4224 KB |
subin19.txt | AC | 17 ms | 4224 KB |
subin2.txt | AC | 17 ms | 4224 KB |
subin20.txt | AC | 17 ms | 4224 KB |
subin201.txt | AC | 2 ms | 2304 KB |
subin21.txt | AC | 15 ms | 4224 KB |
subin22.txt | AC | 15 ms | 4224 KB |
subin23.txt | AC | 15 ms | 4224 KB |
subin24.txt | AC | 15 ms | 4224 KB |
subin3.txt | AC | 19 ms | 4224 KB |
subin4.txt | AC | 17 ms | 3968 KB |
subin5.txt | AC | 18 ms | 4224 KB |
subin6.txt | AC | 17 ms | 4224 KB |
subin7.txt | AC | 16 ms | 3712 KB |
subin8.txt | AC | 12 ms | 3328 KB |
subin9.txt | AC | 19 ms | 4224 KB |