Submission #59586

#TimeUsernameProblemLanguageResultExecution timeMemory
59586TadijaSebezScales (IOI15_scales)C++11
100 / 100
25 ms1028 KiB
#include "scales.h" #include <stdio.h> #include <vector> #include <algorithm> using namespace std; #define pb push_back int per[720][6],id[7]; int max(int a, int b){ return a>b?a:b;} int min(int a, int b){ return a>b?b:a;} int mymax(int a, int b, int c){ return max(a,max(b,c));} int mymin(int a, int b, int c){ return min(a,min(b,c));} //-------------------------// /* int S[6]; int getHeaviest(int a, int b, int c) { printf("1 %i %i %i\n",a,b,c); for(int i=0;i<6;i++) id[S[i]]=i; if(id[a]>id[b] && id[a]>id[c]) return a; return id[b]>id[c]?b:c; } int getLightest(int a, int b, int c) { printf("2 %i %i %i\n",a,b,c); for(int i=0;i<6;i++) id[S[i]]=i; if(id[a]<id[b] && id[a]<id[c]) return a; return id[b]<id[c]?b:c; } int getMedian(int a, int b, int c) { printf("3 %i %i %i\n",a,b,c); for(int i=0;i<6;i++) id[S[i]]=i; if(id[a]<id[b]) { if(id[c]<id[a]) return a; return id[b]<id[c]?b:c; } else { if(id[c]>id[a]) return a; return id[b]>id[c]?b:c; } } int getNextLightest(int a, int b, int c, int d) { printf("4 %i %i %i %i\n",a,b,c,d); for(int i=0;i<6;i++) id[S[i]]=i; if(id[a]<id[d]) id[a]+=7; if(id[b]<id[d]) id[b]+=7; if(id[c]<id[d]) id[c]+=7; if(id[a]<id[b] && id[a]<id[c]) return a; return id[b]<id[c]?b:c; } void answer(int a[]) { bool ok=1; int i; for(i=0;i<6;i++) if(a[i]!=S[i]) ok=0; if(ok) printf("OK\n"); else printf("WA\n"); for(i=0;i<6;i++) printf("%i ",a[i]); } */ //-------------------------// struct Query { int t,a,b,c,d; Query(){} Query(int _t, int _a, int _b, int _c, int _d){ t=_t,a=_a,b=_b,c=_c,d=_d;} int Get(int j) { int i; for(i=0;i<6;i++) id[per[j][i]]=i; if(t==1) //getHeaviest(); { if(id[a]>id[b] && id[a]>id[c]) return 0; return id[b]>id[c]?1:2; } else if(t==2) //getLightest(); { if(id[a]<id[b] && id[a]<id[c]) return 0; return id[b]<id[c]?1:2; } else if(t==3) //getMedian(); { if(id[a]<id[b]) { if(id[c]<id[a]) return 0; return id[b]<id[c]?1:2; } else { if(id[c]>id[a]) return 0; return id[b]>id[c]?1:2; } } else if(t==4) //getNextLightest(); { if(id[a]<id[d]) id[a]+=7; if(id[b]<id[d]) id[b]+=7; if(id[c]<id[d]) id[c]+=7; if(id[a]<id[b] && id[a]<id[c]) return 0; return id[b]<id[c]?1:2; } } int Ask() { int ans; if(t==1) ans=getHeaviest(a,b,c); if(t==2) ans=getLightest(a,b,c); if(t==3) ans=getMedian(a,b,c); if(t==4) ans=getNextLightest(a,b,c,d); if(ans==a) return 0; if(ans==b) return 1; if(ans==c) return 2; } }; vector<Query> all; const int N=10050; int go[N][3],tsz,root,cnt; Query my[N]; vector<int> work[N]; bool Build(int &c, vector<int> tr) { c=++tsz; if(tr.size()<=1){ work[c]=tr;return 1;} cnt++; int i,j; vector<int> tmp[3]; for(j=0;j<all.size();j++) { tmp[0].clear();tmp[1].clear();tmp[2].clear(); for(i=0;i<tr.size();i++) tmp[all[j].Get(tr[i])].pb(tr[i]); if(mymax(tmp[0].size(),tmp[1].size(),tmp[2].size())-mymin(tmp[0].size(),tmp[1].size(),tmp[2].size())<=1) { if(Build(go[c][0],tmp[0]) && Build(go[c][1],tmp[1]) && Build(go[c][2],tmp[2])) { my[c]=all[j]; work[c]=tr; return 1; } else tsz=c; } } return 0; } int Solve(int c) { /*printf("Node: %i\n",c); for(int i=0;i<work[c].size();i++) { for(int j=0;j<6;j++) printf("%i ",per[work[c][i]][j]); printf("\n"); }*/ if(work[c].size()<=1) return work[c][0]; int nxt=my[c].Ask(); //printf("%i\n",nxt); return Solve(go[c][nxt]); } void init(int t) { int i,j,k,l; for(i=0;i<6;i++) per[0][i]=i+1; for(j=1;j<720;j++) { for(i=0;i<6;i++) per[j][i]=per[j-1][i]; next_permutation(per[j],per[j]+6); } for(i=1;i<=6;i++) { for(j=i+1;j<=6;j++) { for(k=j+1;k<=6;k++) { all.pb(Query(1,i,j,k,0)); all.pb(Query(2,i,j,k,0)); all.pb(Query(3,i,j,k,0)); for(l=1;l<=6;l++) { if(l!=i && l!=j && l!=k) { all.pb(Query(4,i,j,k,l)); } } } } } vector<int> tmp; for(i=0;i<720;i++) tmp.pb(i); if(!Build(root,tmp)) printf("???\n"); } int ret[6]; void orderCoins() { int p=Solve(root); for(int i=0;i<6;i++) ret[i]=per[p][i]; answer(ret); } //-------------------------// /* int main() { init(1); int i; for(i=0;i<6;i++) scanf("%i",&S[i]); orderCoins(); return 0; } */ //-------------------------//

Compilation message (stderr)

In file included from grader.c:2:0:
graderlib.c: In function 'void answer(int*)':
graderlib.c:53:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
     if (_ghksjhdfkae19ga_ > 1) 
     ^~
graderlib.c:56:2: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
  for (i = 0; i < 6; i++) {
  ^~~
scales.cpp: In function 'bool Build(int&, std::vector<int>)':
scales.cpp:130:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(j=0;j<all.size();j++)
          ~^~~~~~~~~~~
scales.cpp:133:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(i=0;i<tr.size();i++) tmp[all[j].Get(tr[i])].pb(tr[i]);
           ~^~~~~~~~~~
scales.cpp:134:23: warning: conversion to 'int' from 'std::vector<int>::size_type {aka long unsigned int}' may alter its value [-Wconversion]
   if(mymax(tmp[0].size(),tmp[1].size(),tmp[2].size())-mymin(tmp[0].size(),tmp[1].size(),tmp[2].size())<=1)
            ~~~~~~~~~~~^~
scales.cpp:134:37: warning: conversion to 'int' from 'std::vector<int>::size_type {aka long unsigned int}' may alter its value [-Wconversion]
   if(mymax(tmp[0].size(),tmp[1].size(),tmp[2].size())-mymin(tmp[0].size(),tmp[1].size(),tmp[2].size())<=1)
                          ~~~~~~~~~~~^~
scales.cpp:134:51: warning: conversion to 'int' from 'std::vector<int>::size_type {aka long unsigned int}' may alter its value [-Wconversion]
   if(mymax(tmp[0].size(),tmp[1].size(),tmp[2].size())-mymin(tmp[0].size(),tmp[1].size(),tmp[2].size())<=1)
                                        ~~~~~~~~~~~^~
scales.cpp:134:72: warning: conversion to 'int' from 'std::vector<int>::size_type {aka long unsigned int}' may alter its value [-Wconversion]
   if(mymax(tmp[0].size(),tmp[1].size(),tmp[2].size())-mymin(tmp[0].size(),tmp[1].size(),tmp[2].size())<=1)
                                                             ~~~~~~~~~~~^~
scales.cpp:134:86: warning: conversion to 'int' from 'std::vector<int>::size_type {aka long unsigned int}' may alter its value [-Wconversion]
   if(mymax(tmp[0].size(),tmp[1].size(),tmp[2].size())-mymin(tmp[0].size(),tmp[1].size(),tmp[2].size())<=1)
                                                                           ~~~~~~~~~~~^~
scales.cpp:134:100: warning: conversion to 'int' from 'std::vector<int>::size_type {aka long unsigned int}' may alter its value [-Wconversion]
   if(mymax(tmp[0].size(),tmp[1].size(),tmp[2].size())-mymin(tmp[0].size(),tmp[1].size(),tmp[2].size())<=1)
                                                                                         ~~~~~~~~~~~^~
scales.cpp: In function 'void init(int)':
scales.cpp:160:15: warning: unused parameter 't' [-Wunused-parameter]
 void init(int t)
               ^
scales.cpp: In member function 'int Query::Get(int)':
scales.cpp:105:2: warning: control reaches end of non-void function [-Wreturn-type]
  }
  ^
scales.cpp: In member function 'int Query::Ask()':
scales.cpp:116:2: warning: control reaches end of non-void function [-Wreturn-type]
  }
  ^
scales.cpp: In function 'int Solve(int)':
scales.cpp:115:3: warning: 'ans' may be used uninitialized in this function [-Wmaybe-uninitialized]
   if(ans==c) return 2;
   ^~
scales.cpp:108:7: note: 'ans' was declared here
   int ans;
       ^~~
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