Task: | Tontti |
Sender: | kalh |
Submission time: | 2015-10-11 21:55:13 +0300 |
Language: | Java |
Status: | READY |
Result: | 47 |
group | verdict | score |
---|---|---|
#1 | ACCEPTED | 14 |
#2 | ACCEPTED | 33 |
#3 | TIME LIMIT EXCEEDED | 0 |
test | verdict | time | group | |
---|---|---|---|---|
#1 | ACCEPTED | 0.18 s | 1 | details |
#2 | ACCEPTED | 0.18 s | 1 | details |
#3 | ACCEPTED | 0.18 s | 1 | details |
#4 | ACCEPTED | 0.18 s | 1 | details |
#5 | ACCEPTED | 0.17 s | 1 | details |
#6 | ACCEPTED | 0.32 s | 2 | details |
#7 | ACCEPTED | 0.33 s | 2 | details |
#8 | ACCEPTED | 0.29 s | 2 | details |
#9 | ACCEPTED | 0.30 s | 2 | details |
#10 | ACCEPTED | 0.31 s | 2 | details |
#11 | TIME LIMIT EXCEEDED | -- | 3 | details |
#12 | TIME LIMIT EXCEEDED | -- | 3 | details |
#13 | ACCEPTED | 0.92 s | 3 | details |
#14 | ACCEPTED | 0.83 s | 3 | details |
#15 | TIME LIMIT EXCEEDED | -- | 3 | details |
Code
import java.util.*; import java.math.*; public class Tehtava3 { private static int[][] arvot; private static int korkeus; private static int leveys; private static IO io; private static long t; private static int pieninKoko; private static int ya2; public static void laskeTavat(int korkeus, int leveys, String[] metsa, int puita) { // long a = 0; // int maksimiKoko = Math.min(korkeus, leveys); // System.out.println("1. Osa: " + (System.currentTimeMillis()-t) + // "ms"); // int puitaYhteensa = arvot[leveys-1][korkeus-1]; int maara = 0; int maaraAlueella = 0; int alaarvo = 0; int ylaarvo = 0; int valiarvo = 0; int valimaksimi = 0; for (int k = 0; k <= korkeus - pieninKoko; k++) { for (int j = 0; j <= leveys - pieninKoko; j++) { valimaksimi = Math.min(korkeus - k, leveys - j); if (j == 0) { ylaarvo = valimaksimi; alaarvo = pieninKoko; maaraAlueella = puidenMaara(j, k, valiarvo); valiarvo = (ylaarvo + alaarvo) / 2; while (maaraAlueella != puita && alaarvo <= ylaarvo) { if (maaraAlueella > puita) { ylaarvo = valiarvo - 1; } else { alaarvo = valiarvo + 1; } valiarvo = (ylaarvo + alaarvo) / 2; maaraAlueella = puidenMaara(j, k, valiarvo); } } /** * for (int d = ylaarvo; d >= alaarvo; d--) { loydettyMaara = * puidenMaara(j, k, d); * * if (loydettyMaara == puita) { maara++; } * * * else if (loydettyMaara < puita) { break; } * * } */ if (alaarvo > ylaarvo) { ya2 = alaarvo; alaarvo = ylaarvo; ylaarvo = ya2; } if (ylaarvo > valimaksimi) ylaarvo = valimaksimi; if (alaarvo < pieninKoko) alaarvo = pieninKoko; if (puidenMaara(j, k, ylaarvo) > puita) { while (puidenMaara(j, k, ylaarvo) > puita && ylaarvo > pieninKoko) ylaarvo--; } if (puidenMaara(j, k, alaarvo) < puita) { while (puidenMaara(j, k, alaarvo) < puita && alaarvo < valimaksimi) alaarvo++; } while (puidenMaara(j, k, ylaarvo) <= puita&& ylaarvo <= valimaksimi) ylaarvo++; while (puidenMaara(j, k, alaarvo) >= puita) alaarvo--; if (puidenMaara(j, k, alaarvo + 1) == puita) { if (puidenMaara(j, k, ylaarvo - 1) == puita) { maara += ylaarvo - alaarvo - 1; } } } } //System.out.println("Kesto: " + (System.currentTimeMillis() - t) + "ms"+ ", [" + leveys + ", " + korkeus + "], " + puita + ", tulos: "+ maara); io.print(maara); } public static void laskeTavatHidas2(int korkeus, int leveys, String[] metsa, int puita) { // long a = 0; int pieninKoko = (int) Math.ceil(Math.sqrt(puita)); // int maksimiKoko = Math.min(korkeus, leveys); // System.out.println("1. Osa: " + (System.currentTimeMillis()-t) + // "ms"); int puitaYhteensa = arvot[leveys - 1][korkeus - 1]; int maara = 0; int maaraAlueella = 0; int alaarvo = 0; int ylaarvo = 0; int valiarvo = 0; int valimaksimi = 0; int loydettyMaara = 0; for (int j = 0; j <= leveys - pieninKoko; j++) { for (int k = 0; k <= korkeus - pieninKoko; k++) { valimaksimi = Math.min(korkeus - k, leveys - j); alaarvo = pieninKoko; ylaarvo = valimaksimi; valiarvo = (ylaarvo + alaarvo) / 2; // long t1 = System.currentTimeMillis(); // BINAARIHAKU maaraAlueella = puidenMaara(j, k, valiarvo); while (maaraAlueella != puita && alaarvo <= ylaarvo) { if (maaraAlueella > puita) { ylaarvo = valiarvo - 1; } else { alaarvo = valiarvo + 1; } // System.out.println(j + ":" + k + ", " + alaarvo + ":" + // ylaarvo); // System.out.println(ylaarvo + ":" + alaarvo); valiarvo = (ylaarvo + alaarvo) / 2; maaraAlueella = puidenMaara(j, k, valiarvo); } // a += (System.currentTimeMillis()-t1); // System.out.println(alaarvo + ":" + ylaarvo + ", (" + // puidenMaara(j, k, alaarvo) + ", " + puidenMaara(j, k, // ylaarvo) + ")"); /** * for (int d = alaarvo; d <= ylaarvo; d++) { loydettyMaara = * puidenMaara(j, k, d); * * if (loydettyMaara == puita) { maara++; } else if * (loydettyMaara > puita) { break; } * * * } */ for (int d = ylaarvo; d >= alaarvo; d--) { loydettyMaara = puidenMaara(j, k, d); if (loydettyMaara == puita) { maara++; // System.out.println(j + ":" + k + ", " + d); } else if (loydettyMaara < puita) { break; } } } } System.out.println("(Hidas), tulos: " + maara); // System.out.println("Kesto 2: " + a + "ms"); } public static int puidenMaara(int alkux, int alkuy, int koko) { if (alkux + koko > leveys || alkuy + koko > korkeus) return -1; int maxx = alkux + koko - 1; int maxy = alkuy + koko - 1; if (maxx < 0 || maxy < 0) return 0; // if (puuarvot.containsKey(koko)) // return puuarvot.get(koko); int arvo1 = 0; int arvo2 = 0; int arvo3 = 0; int arvo4 = arvot[maxx][maxy]; if (alkux != 0) { arvo3 = arvot[alkux - 1][maxy]; } if (alkuy != 0) { arvo2 = arvot[maxx][alkuy - 1]; if (alkux != 0) arvo1 = arvot[alkux - 1][alkuy - 1]; } return (arvo1 + arvo4 - arvo2 - arvo3); } public static String[] luoSatunnainen(int leveys, int korkeus) { StringBuilder sb; String[] metsa = new String[korkeus]; Random r = new Random(); for (int i = 0; i < korkeus; i++) { sb = new StringBuilder(); for (int j = 0; j < leveys; j++) { int a = r.nextInt(10); if (a <= 1) sb.append('*'); else sb.append('.'); } metsa[i] = sb.toString(); } return metsa; } public static void tulostaMetsa(String[] metsa) { for (int i = 0; i < metsa.length; i++) { for (int j = 0; j < metsa[0].length(); j++) { System.out.print(metsa[i].charAt(j) + " "); } System.out.println(); System.out.println("--------------------------------------"); } } public static void luoArvoTaulukko(String[] metsa) { // metsa[0] = leveys // metsa = korkeus // arvot[0] = korkeus // arvot = leveys // long t1 = System.currentTimeMillis(); int summa1 = 0; for (int i = 0; i < leveys; i++) { if (metsa[0].charAt(i) == '*') { summa1++; } arvot[i][0] = summa1; } int summa2 = 0; for (int y = 1; y < metsa.length; y++) { summa1 = 0; summa2 = 0; for (int x = 0; x < metsa[0].length(); x++) { if (metsa[y].charAt(x) == '*') { summa2++; } summa1 = arvot[x][y - 1]; arvot[x][y] = (summa1 + summa2); } } // System.out.println("arvotaulukon luontiin meni " + // (System.currentTimeMillis()-t1) + "ms"); } public static void main(String[] args) { io = new IO(); korkeus = io.nextInt(); leveys = io.nextInt(); int puita = io.nextInt(); //korkeus = 2000; //leveys = 2000; //int puita = 1000; String[] metsa = new String[korkeus]; for (int i = 0; i < korkeus; i++) { metsa[i] = io.next(); } arvot = new int[leveys][korkeus]; // Random r = new Random(); //metsa = luoSatunnainen(leveys, korkeus); // metsa[0] = "...*******"; // metsa[1] = ".*...***.*"; // metsa[2] = "*.**.*...."; // metsa[3] = "..*..****."; // metsa[4] = ".......**."; // metsa[5] = "...***...*"; // metsa[6] = "***......*"; // metsa[7] = "..**...*.."; // metsa[8] = "..*.*.****"; // metsa[9] = "*.*......*"; // // tulostaMetsa(metsa); //t = System.currentTimeMillis(); // luoArvoTaulukko(metsa); // tulostaMetsa(metsa); // tulostaArvoTaulukko(); pieninKoko = (int) Math.ceil(Math.sqrt(puita)); laskeTavat(korkeus, leveys, metsa, puita); // System.out.println("Kesto: " + (System.currentTimeMillis()-t)); //laskeTavatHidas2(korkeus, leveys, metsa, puita); io.close(); } }
Test details
Test 1
Group: 1
Verdict: ACCEPTED
input |
---|
10 10 1 ......*... .......*.. *..*....*. *....*.... ... |
correct output |
---|
94 |
user output |
---|
94 |
Test 2
Group: 1
Verdict: ACCEPTED
input |
---|
10 10 5 ********** ********** ********** ********** ... |
correct output |
---|
0 |
user output |
---|
0 |
Test 3
Group: 1
Verdict: ACCEPTED
input |
---|
10 10 10 **...*...* *..*.**.*. ...**.*..* *...**.*.. ... |
correct output |
---|
4 |
user output |
---|
4 |
Test 4
Group: 1
Verdict: ACCEPTED
input |
---|
10 10 5 ****...... *.*.**..** ....*.*..* ...*.***.. ... |
correct output |
---|
16 |
user output |
---|
16 |
Test 5
Group: 1
Verdict: ACCEPTED
input |
---|
10 10 2 **.***..*. ...*.*.... .***.*...* ***.***..* ... |
correct output |
---|
30 |
user output |
---|
30 |
Test 6
Group: 2
Verdict: ACCEPTED
input |
---|
500 500 1 ................................. |
correct output |
---|
9552040 |
user output |
---|
9552040 |
Test 7
Group: 2
Verdict: ACCEPTED
input |
---|
500 500 5 ................................. |
correct output |
---|
1536063 |
user output |
---|
1536063 |
Test 8
Group: 2
Verdict: ACCEPTED
input |
---|
500 500 25000 **...*...**..*.*..*.**.*..*.*.... |
correct output |
---|
288 |
user output |
---|
288 |
Test 9
Group: 2
Verdict: ACCEPTED
input |
---|
500 500 12500 **.**.*..*...*.**...*.***........ |
correct output |
---|
786 |
user output |
---|
786 |
Test 10
Group: 2
Verdict: ACCEPTED
input |
---|
500 500 5000 .*.*.**..*.*.**.**..*..**...*.... |
correct output |
---|
1763 |
user output |
---|
1763 |
Test 11
Group: 3
Verdict: TIME LIMIT EXCEEDED
input |
---|
2000 2000 1 ................................. |
correct output |
---|
489611392 |
user output |
---|
(empty) |
Test 12
Group: 3
Verdict: TIME LIMIT EXCEEDED
input |
---|
2000 2000 5 ................................. |
correct output |
---|
120725884 |
user output |
---|
(empty) |
Test 13
Group: 3
Verdict: ACCEPTED
input |
---|
2000 2000 400000 ..*..**.**.**.*.***...**.*..**... |
correct output |
---|
1849 |
user output |
---|
1849 |
Test 14
Group: 3
Verdict: ACCEPTED
input |
---|
2000 2000 200000 ***.*....*.*..*....**..*..*.*.... |
correct output |
---|
2665 |
user output |
---|
2665 |
Test 15
Group: 3
Verdict: TIME LIMIT EXCEEDED
input |
---|
2000 2000 80000 **.**...*.***.**....**.*....*.... |
correct output |
---|
5587 |
user output |
---|
(empty) |