제출 #284125

#제출 시각아이디문제언어결과실행 시간메모리
284125dualityMixture (BOI20_mixture)C++11
100 / 100
167 ms8288 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 ---------- int Sf,Pf,Gf; int S[100000],P[100000],G[100000]; struct point { LLI x,y; }; class comp { public: bool operator()(point a,point b) const { return (long double) a.x*b.y > (long double) a.y*b.x; } }; point angle(int S,int P,int G) { return (point){(LLI) S*(Sf+Pf+Gf)-(LLI) Sf*(S+P+G),(LLI) P*(Sf+Pf+Gf)-(LLI) Pf*(S+P+G)}; } int quad(point p) { if ((p.x == 0) && (p.y == 0)) return -1; else if ((p.x > 0) && (p.y >= 0)) return 0; else if ((p.x <= 0) && (p.y > 0)) return 1; else if ((p.x < 0) && (p.y <= 0)) return 2; else return 3; } multiset<point,comp> SS[4]; int main() { int i; int N; int b = 0,r; char c; int o = 0,oo = 0; scanf("%d %d %d %d",&Sf,&Pf,&Gf,&N); for (i = 0; i < N; i++) { scanf(" %c",&c); if (c == 'A') { scanf("%d %d %d",&S[b],&P[b],&G[b]); point d = angle(S[b],P[b],G[b]); b++; int q = quad(d); if (q == -1) oo++; else { if (SS[q].find(d) == SS[q].end()) { d.x *= -1,d.y *= -1; if (SS[q^2].find(d) != SS[q^2].end()) o++; d.x *= -1,d.y *= -1; } SS[q].insert(d); } } else { scanf("%d",&r),r--; point d = angle(S[r],P[r],G[r]); int q = quad(d); if (q == -1) oo--; else { SS[q].erase(SS[q].find(d)); if (SS[q].find(d) == SS[q].end()) { d.x *= -1,d.y *= -1; if (SS[q^2].find(d) != SS[q^2].end()) o--; } } } if (oo > 0) printf("1\n"); else if (o > 0) printf("2\n"); else { int q; for (q = 0; q < 4; q++) { if (SS[q].empty()) { if (SS[(q+1) & 3].empty() || SS[(q+3) & 3].empty()) break; else if (comp()(*SS[(q+1) & 3].begin(),*SS[(q+3) & 3].rbegin())) break; } } printf((q < 4) ? "0\n":"3\n"); } } return 0; }

컴파일 시 표준 에러 (stderr) 메시지

Mixture.cpp: In function 'int main()':
Mixture.cpp:84:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   84 |     scanf("%d %d %d %d",&Sf,&Pf,&Gf,&N);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Mixture.cpp:86:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   86 |         scanf(" %c",&c);
      |         ~~~~~^~~~~~~~~~
Mixture.cpp:88:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   88 |             scanf("%d %d %d",&S[b],&P[b],&G[b]);
      |             ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Mixture.cpp:103:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  103 |             scanf("%d",&r),r--;
      |             ~~~~~^~~~~~~~~
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...