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MiniPaint.java
59 lines (56 loc) · 1.37 KB
/
MiniPaint.java
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public class MiniPaint {
boolean ddd = false;
int[] dostr(String s) {
char[] ss = s.toCharArray();
int n = s.length() + 1;
int[][] w = new int[n][n];
for (int i = 0; i < n; i++) {
w[i][0] = i;
}
for (int at = 1; at <= s.length(); at++) {
for (int j = 0; j < n; j++) {
w[at][j] = w[at - 1][j] + 1;
}
int countB = 0;
int countW = 0;
for (int bef = at - 1; bef >= 0; bef--) {
if (ss[bef] == 'B')
countB++;
else
countW++;
int m = Math.min(countB, countW);
for (int k = 1; k < n; k++) {
w[at][k] = Math.min(w[at][k], w[bef][k - 1] + m);
}
}
}
System.out.print("For " + s + " we got ");
for (int i = 0; w[s.length()][i] > 0; i++) {
System.out.print(" " + w[s.length()][i]);
}
System.out.println();
return w[s.length()];
}
public int leastBad(String[] picture, int maxStrokes) {
int i, j, k;
int[] best = new int[3010];
for (i = 0; i < picture.length; i++) {
int nn = picture[i].length();
int[] a = dostr(picture[i]);
int newbest[] = new int[3010];
for (j = 0; j < 3010; j++) {
newbest[j] = best[j] + nn;
}
for (j = 0; j < a.length; j++) { // how many to give to this pic
for (k = j; k < 3010; k++) {
newbest[k] = Math.min(newbest[k], best[k - j] + a[j]);
}
}
best = newbest;
}
return best[maxStrokes];
}
static void pp(Object o) {
System.out.println(o);
}
}