Submission #28227

#TimeUsernameProblemLanguageResultExecution timeMemory
28227RayaBurong25_1Horses (IOI15_horses)C++14
Compilation error
0 ms0 KiB
#include "horses.h" #include <stdio.h> #include <math.h> typedef struct node node; struct node { long long X, Y, Ans; double logX, logY, logAns; }; node Seg[2000005]; int x[500005], y[500005]; void makeTree(int s, int e, int cell) { if (s == e) { Seg[cell].X = x[i]; Seg[cell].Y = y[i]; Seg[cell].logX = log(x[i]); Seg[cell].logY = log(y[i]); Seg[cell].Ans = x[i]; Seg[cell].logAns = Seg[cell].logx; return; } int m = (s + e)/2; makeTree(s, m, 2*cell + 1); makeTree(m + 1, e, 2*cell + 2); if (Seg[2*cell + 1].logAns + Seg[2*cell + 1].logY + Seg[2*cell + 2].logX > Seg[2*cell + 2].logAns + Seg[2*cell + 2].logY) { Seg[cell].X = (Seg[2*cell + 1].X*Seg[2*cell + 2].X)%MOD; Seg[cell].logX = Seg[2*cell + 1].logX + Seg[2*cell + 2].logX; Seg[cell].Y = Seg[2*cell + 1].Y; Seg[cell].logY = Seg[2*cell + 1].logY; Seg[cell].Ans = (Seg[2*cell + 1].Ans*Seg[2*cell + 2].Ans)%MOD; Seg[cell].logAns = Seg[2*cell + 1].logAns + Seg[2*cell + 2].logAns; } else { Seg[cell].X = (Seg[2*cell + 1].X*Seg[2*cell + 2].X)%MOD; Seg[cell].logX = Seg[2*cell + 1].logX + Seg[2*cell + 2].logX; Seg[cell].Y = Seg[2*cell + 2].Y; Seg[cell].logY = Seg[2*cell + 2].logY; Seg[cell].Ans = Seg[2*cell + 2].Ans; Seg[cell].logAns = Seg[2*cell + 2].logAns; } } int n; int init(int N, int[] X, int[] Y) { int i; n = N; for (i = 0; i < N; i++) x[i] = X[i]; for (i = 0; i < N; i++) y[i] = Y[i]; makeTree(0, N - 1, 0); return (Seg[0].Y*Seg[0].Ans)%MOD; } void updX(int pos, int val, int s, int e, int cell) { if (s == e) { Seg[cell].X = val; Seg[cell].logX = log(val); Seg[cell].Ans = Seg[cell].X; Seg[cell].logAns = Seg[cell].logX; return; } int m = (s + e)/2; if (pos <= m) updX(pos, val, s, m, 2*cell + 1); else updX(pos, val, m + 1, e, 2*cell + 2); if (Seg[2*cell + 1].logAns + Seg[2*cell + 1].logY + Seg[2*cell + 2].logX > Seg[2*cell + 2].logAns + Seg[2*cell + 2].logY) { Seg[cell].X = (Seg[2*cell + 1].X*Seg[2*cell + 2].X)%MOD; Seg[cell].logX = Seg[2*cell + 1].logX + Seg[2*cell + 2].logX; Seg[cell].Y = Seg[2*cell + 1].Y; Seg[cell].logY = Seg[2*cell + 1].logY; Seg[cell].Ans = (Seg[2*cell + 1].Ans*Seg[2*cell + 2].Ans)%MOD; Seg[cell].logAns = Seg[2*cell + 1].logAns + Seg[2*cell + 2].logAns; } else { Seg[cell].X = (Seg[2*cell + 1].X*Seg[2*cell + 2].X)%MOD; Seg[cell].logX = Seg[2*cell + 1].logX + Seg[2*cell + 2].logX; Seg[cell].Y = Seg[2*cell + 2].Y; Seg[cell].logY = Seg[2*cell + 2].logY; Seg[cell].Ans = Seg[2*cell + 2].Ans; Seg[cell].logAns = Seg[2*cell + 2].logAns; } } int updateX(int pos, int val) { updX(pos, val, 0, n - 1, 0); return (Seg[0].Y*Seg[0].Ans)%MOD; } void updY(int pos, int val, int s, int e, int cell) { if (s == e) { Seg[cell].Y = val; Seg[cell].logY = log(val); return; } int m = (s + e)/2; if (pos <= m) updX(pos, val, s, m, 2*cell + 1); else updX(pos, val, m + 1, e, 2*cell + 2); if (Seg[2*cell + 1].logAns + Seg[2*cell + 1].logY + Seg[2*cell + 2].logX > Seg[2*cell + 2].logAns + Seg[2*cell + 2].logY) { Seg[cell].X = (Seg[2*cell + 1].X*Seg[2*cell + 2].X)%MOD; Seg[cell].logX = Seg[2*cell + 1].logX + Seg[2*cell + 2].logX; Seg[cell].Y = Seg[2*cell + 1].Y; Seg[cell].logY = Seg[2*cell + 1].logY; Seg[cell].Ans = (Seg[2*cell + 1].Ans*Seg[2*cell + 2].Ans)%MOD; Seg[cell].logAns = Seg[2*cell + 1].logAns + Seg[2*cell + 2].logAns; } else { Seg[cell].X = (Seg[2*cell + 1].X*Seg[2*cell + 2].X)%MOD; Seg[cell].logX = Seg[2*cell + 1].logX + Seg[2*cell + 2].logX; Seg[cell].Y = Seg[2*cell + 2].Y; Seg[cell].logY = Seg[2*cell + 2].logY; Seg[cell].Ans = Seg[2*cell + 2].Ans; Seg[cell].logAns = Seg[2*cell + 2].logAns; } } int updateY(int pos, int val) { updY(pos, val, 0, n - 1, 0); return (Seg[0].Y*Seg[0].Ans)%MOD; }

Compilation message (stderr)

horses.cpp: In function 'void makeTree(int, int, int)':
horses.cpp:16:19: error: 'i' was not declared in this scope
   Seg[cell].X = x[i];
                   ^
horses.cpp:21:32: error: 'node {aka struct node}' has no member named 'logx'
   Seg[cell].logAns = Seg[cell].logx;
                                ^
horses.cpp:29:55: error: 'MOD' was not declared in this scope
   Seg[cell].X = (Seg[2*cell + 1].X*Seg[2*cell + 2].X)%MOD;
                                                       ^
horses.cpp:38:55: error: 'MOD' was not declared in this scope
   Seg[cell].X = (Seg[2*cell + 1].X*Seg[2*cell + 2].X)%MOD;
                                                       ^
horses.cpp: At global scope:
horses.cpp:47:23: error: expected ',' or '...' before 'X'
 int init(int N, int[] X, int[] Y)
                       ^
horses.cpp: In function 'int init(int, int*)':
horses.cpp:52:10: error: 'X' was not declared in this scope
   x[i] = X[i];
          ^
horses.cpp:54:10: error: 'Y' was not declared in this scope
   y[i] = Y[i];
          ^
horses.cpp:56:31: error: 'MOD' was not declared in this scope
  return (Seg[0].Y*Seg[0].Ans)%MOD;
                               ^
horses.cpp: In function 'void updX(int, int, int, int, int)':
horses.cpp:75:55: error: 'MOD' was not declared in this scope
   Seg[cell].X = (Seg[2*cell + 1].X*Seg[2*cell + 2].X)%MOD;
                                                       ^
horses.cpp:84:55: error: 'MOD' was not declared in this scope
   Seg[cell].X = (Seg[2*cell + 1].X*Seg[2*cell + 2].X)%MOD;
                                                       ^
horses.cpp: In function 'int updateX(int, int)':
horses.cpp:95:31: error: 'MOD' was not declared in this scope
  return (Seg[0].Y*Seg[0].Ans)%MOD;
                               ^
horses.cpp: In function 'void updY(int, int, int, int, int)':
horses.cpp:112:55: error: 'MOD' was not declared in this scope
   Seg[cell].X = (Seg[2*cell + 1].X*Seg[2*cell + 2].X)%MOD;
                                                       ^
horses.cpp:121:55: error: 'MOD' was not declared in this scope
   Seg[cell].X = (Seg[2*cell + 1].X*Seg[2*cell + 2].X)%MOD;
                                                       ^
horses.cpp: In function 'int updateY(int, int)':
horses.cpp:132:31: error: 'MOD' was not declared in this scope
  return (Seg[0].Y*Seg[0].Ans)%MOD;
                               ^