Submission #122622

#TimeUsernameProblemLanguageResultExecution timeMemory
122622dualityMeetings (JOI19_meetings)C++14
0 / 100
199 ms536 KiB
#define DEBUG 0 #include <bits/stdc++.h> using namespace std; #if DEBUG // basic debugging macros int __i__,__j__; #define printLine(l) for(__i__=0;__i__<l;__i__++){cout<<"-";}cout<<endl #define printLine2(l,c) for(__i__=0;__i__<l;__i__++){cout<<c;}cout<<endl #define printVar(n) cout<<#n<<": "<<n<<endl #define printArr(a,l) cout<<#a<<": ";for(__i__=0;__i__<l;__i__++){cout<<a[__i__]<<" ";}cout<<endl #define print2dArr(a,r,c) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<a[__i__][__j__]<<" ";}cout<<endl;} #define print2dArr2(a,r,c,l) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<setw(l)<<setfill(' ')<<a[__i__][__j__]<<" ";}cout<<endl;} // advanced debugging class // debug 1,2,'A',"test"; class _Debug { public: template<typename T> _Debug& operator,(T val) { cout << val << endl; return *this; } }; #define debug _Debug(), #else #define printLine(l) #define printLine2(l,c) #define printVar(n) #define printArr(a,l) #define print2dArr(a,r,c) #define print2dArr2(a,r,c,l) #define debug #endif // define #define MAX_VAL 999999999 #define MAX_VAL_2 999999999999999999LL #define EPS 1e-6 #define mp make_pair #define pb push_back // typedef typedef unsigned int UI; typedef long long int LLI; typedef unsigned long long int ULLI; typedef unsigned short int US; typedef pair<int,int> pii; typedef pair<LLI,LLI> plli; typedef vector<int> vi; typedef vector<LLI> vlli; typedef vector<pii> vpii; typedef vector<plli> vplli; // ---------- END OF TEMPLATE ---------- #include "meetings.h" int solve(vi v) { if (v.size() <= 1) return 0; random_shuffle(v.begin(),v.end()); int i,a = v[0],b = v[1]; vi va,vb; va.pb(a),vb.pb(b); for (i = 2; i < v.size(); i++) { int x = Query(a,b,v[i]); if (x == a) va.pb(v[i]); else if (x == b) vb.pb(v[i]); else if (va.size() < vb.size()) va.pb(v[i]),a = v[i]; else vb.pb(v[i]),b = v[i]; } Bridge(min(a,b),max(a,b)); solve(va),solve(vb); return 0; } void Solve(int N) { int i; vi v; for (i = 0; i < N; i++) v.pb(i); srand(1234); solve(v); }

Compilation message (stderr)

meetings.cpp: In function 'int solve(vi)':
meetings.cpp:65:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (i = 2; i < v.size(); i++) {
                 ~~^~~~~~~~~~
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