제출 #3137

#제출 시각아이디문제언어결과실행 시간메모리
3137club4208저장 (Saveit) (IOI10_saveit)C++98
100 / 100
584 ms15080 KiB
#include<stdio.h> #include "grader.h" #include "encoder.h" #include<vector> #include<algorithm> #include<queue> using namespace std; typedef pair<int,int>pii; void encode(int cit, int hab, int way, int *va, int *vb) { vector<int>pat[1000]; int dist[36][1000]; for(int i=0;i<way;i++) { pat[va[i]].push_back(vb[i]); pat[vb[i]].push_back(va[i]); } for(int i=0;i<hab;i++) { for(int j=0;j<cit;j++) { dist[i][j]=-1; } } for(int p=0;p<hab;p++) { queue<pii>que; que.push(make_pair(0,p)); for(;;) { if(que.empty()) { break; } pii zan=que.front(); que.pop(); if(dist[p][zan.second]!=-1) { continue; } dist[p][zan.second]=zan.first; for(int i=0;i<pat[zan.second].size();i++) { if(dist[p][pat[zan.second][i]]==-1) { que.push(make_pair(zan.first+1,pat[zan.second][i])); } } } } queue<int>que; bool flag[1000]; int par[1000]; fill(flag,flag+1000,false); fill(par,par+1000,1023); que.push(0); for(;;) { if(que.empty()) { break; } int zan=que.front(); que.pop(); if(flag[zan]) { continue; } flag[zan]=true; for(int i=0;i<pat[zan].size();i++) { if(!flag[pat[zan][i]]) { que.push(pat[zan][i]); par[pat[zan][i]]=zan; } } } for(int i=1;i<cit;i++) { for(int j=9;j>=0;j--) { encode_bit((par[i]>>j)&1); } } for(int i=0;i<hab;i++) { for(int j=9;j>=0;j--) { encode_bit((dist[i][0]>>j)&1); } } for(int i=0;i<hab;i++) { int now=0; for(int j=1;j<cit;j++) { now*=3; if(dist[i][par[j]]==dist[i][j]) { now+=0; } if(dist[i][par[j]]==dist[i][j]+1) { now+=1; } if(dist[i][par[j]]==dist[i][j]-1) { now+=2; } if(j%5==0||j==cit-1) { for(;;) { if(j%5!=0) { j++; now*=3; } else { break; } } for(int k=7;k>=0;k--) { encode_bit((now>>k)&1); } now=0; } } } }
#include<stdio.h> #include<vector> #include<algorithm> #include<queue> #include "grader.h" #include "decoder.h" using namespace std; void decode(int cit, int hab) { int par[1000]; vector<int>ko[1000]; int st[36]; par[0]=-1; for(int i=1;i<cit;i++) { int now=0; for(int j=0;j<10;j++) { now*=2; now+=decode_bit(); } par[i]=now; ko[now].push_back(i); } for(int i=0;i<hab;i++) { int now=0; for(int j=0;j<10;j++) { now*=2; now+=decode_bit(); } st[i]=now; } for(int p=0;p<hab;p++) { int data[1000]; data[0]=st[p]; int cod[1000]; for(int i=0;i<(cit-1+4)/5;i++) { int now=0; for(int j=0;j<8;j++) { now*=2; now+=decode_bit(); } for(int j=0;j<5;j++) { if(i*5+1+4-j<cit) { cod[i*5+1+4-j]=now%3; } now/=3; } } for(int i=1;i<cit;i++) { if(cod[i]==0) { data[i]=0; } if(cod[i]==1) { data[i]=-1; } if(cod[i]==2) { data[i]=1; } } queue<int>que; que.push(0); for(;;) { if(que.empty()) { break; } int zan=que.front(); que.pop(); if(zan!=0) { data[zan]+=data[par[zan]]; } hops(p,zan,data[zan]); for(int i=0;i<ko[zan].size();i++) { que.push(ko[zan][i]); } } } }

컴파일 시 표준 에러 (stderr) 메시지

encoder.cpp: In function 'void encode(int, int, int, int*, int*)':
encoder.cpp:42:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(int i=0;i<pat[zan.second].size();i++)
                ~^~~~~~~~~~~~~~~~~~~~~~~
encoder.cpp:70:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
       for(int i=0;i<pat[zan].size();i++)
                   ~^~~~~~~~~~~~~~~~

decoder.cpp: In function 'void decode(int, int)':
decoder.cpp:87:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(int i=0;i<ko[zan].size();i++)
                ~^~~~~~~~~~~~~~~
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