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uva114.cpp
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uva114.cpp
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#include <iostream>
using namespace std;
// 0 for increasing x
// 1 for increasing y
// 2 for decreasing x
// 3 for decreasing y
int xChange[] = {1, 0, -1, 0};
int yChange[] = {0, 1, 0, -1};
const int MaxGridSize = 55;
// All are indexed [y][x]
bool hasBumper[MaxGridSize][MaxGridSize];
int bumperCost[MaxGridSize][MaxGridSize];
int bumperScore[MaxGridSize][MaxGridSize];
int main()
{
int XLen, YLen;
cin >> XLen >> YLen;
int wallCost, numBumper;
cin >> wallCost >> numBumper;
for (int y = 0; y < YLen; ++y)
{
for (int x = 0; x < XLen; ++x)
hasBumper[y][x] = false;
}
while (numBumper--)
{
int x, y;
cin >> x >> y;
hasBumper[y][x] = true; //mark bumper
cin >> bumperScore[y][x] >> bumperCost[y][x];
}
int overallScore = 0;
int ballX, ballY, dir, lifetime;
while (cin >> ballX >> ballY >> dir >> lifetime)
{
int score = 0;
while (--lifetime > 0)
{
int newX = ballX + xChange[dir], newY = ballY + yChange[dir];
if (newX == 1 || newX == XLen || newY == 1 || newY == YLen) // Hits wall
{
lifetime -= wallCost;
dir = (dir + 3) % 4; //1->0->3->2 撞到障礙物要改變方向
}
else if (hasBumper[newY][newX]) //Hit bumper
{
lifetime -= bumperCost[newY][newX];
score += bumperScore[newY][newX];
dir = (dir + 3) % 4; //1->0->3->2
}
else //update coordinate
{
ballX = newX;
ballY = newY;
}
}
cout << score << endl;
overallScore += score;
}
cout << overallScore << endl;
}