#45428 (Java21) No.139 交差点

• 問題: No.139 交差点
• ユーザー: holeguma
• 提出日時: 2015-08-25 02:05:46
• 言語: Java21 (openjdk 21)
• 結果: AC
• 実行時間: 45 ms / 5,000 ms
• コード長: 2,598 bytes
• コンパイル時間: 2,364 ms
• コンパイル使用メモリ: 75,480 KB
• 実行使用メモリ: 49,800 KB
• 最終ジャッジ日時: 2023-09-25 16:54:43
• 合計ジャッジ時間: 4,956 ms
• ジャッジサーバーID （参考情報）: judge13 / judge15

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	44 ms; 49,128 KB
testcase_01	AC	44 ms; 49,064 KB
testcase_02	AC	44 ms; 49,320 KB
testcase_03	AC	43 ms; 49,304 KB
testcase_04	AC	45 ms; 49,292 KB
testcase_05	AC	44 ms; 49,168 KB
testcase_06	AC	43 ms; 49,372 KB
testcase_07	AC	43 ms; 49,092 KB
testcase_08	AC	43 ms; 49,296 KB
testcase_09	AC	44 ms; 49,496 KB
testcase_10	AC	44 ms; 49,652 KB
testcase_11	AC	43 ms; 49,252 KB
testcase_12	AC	43 ms; 49,588 KB
testcase_13	AC	44 ms; 49,156 KB
testcase_14	AC	44 ms; 49,072 KB
testcase_15	AC	45 ms; 49,164 KB
testcase_16	AC	44 ms; 49,384 KB
testcase_17	AC	45 ms; 49,368 KB
testcase_18	AC	44 ms; 49,172 KB
testcase_19	AC	45 ms; 49,800 KB
testcase_20	AC	43 ms; 47,640 KB
testcase_21	AC	43 ms; 49,208 KB
testcase_22	AC	44 ms; 49,448 KB
testcase_23	AC	45 ms; 49,156 KB
testcase_24	AC	45 ms; 49,156 KB
testcase_25	AC	45 ms; 49,316 KB
testcase_26	AC	44 ms; 49,208 KB
testcase_27	AC	45 ms; 47,256 KB
testcase_28	AC	45 ms; 49,228 KB
testcase_29	AC	44 ms; 49,312 KB
testcase_30	AC	44 ms; 49,288 KB

ソースコード

import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayDeque;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Comparator;
import java.util.Deque;
import java.util.HashMap;
import java.util.InputMismatchException;
import java.util.Map;
import java.util.PriorityQueue;
import java.util.StringTokenizer;
import java.math.BigInteger;
    
public class Main{

static final InputStream in=System.in;
static final PrintWriter out=new PrintWriter(System.out);
static final int INF=Integer.MAX_VALUE/2;
static final long LINF=Long.MAX_VALUE/2;
    
public static void main(String[] args) throws IOException{
InputReader ir=new InputReader(in);
int n=ir.nextInt();
int l=ir.nextInt();
int now=0;
int[] x=new int[n];
int[] w=new int[n];
int[] t=new int[n];
for(int i=0;i<n;i++){
x[i]=ir.nextInt();
w[i]=ir.nextInt();
t[i]=ir.nextInt();
}
for(int i=0;i<n;i++){
now+=(i==0)?x[0]:x[i]-x[i-1];
if(!((now/t[i])%2==0&&(((now+w[i])/t[i])%2==0||(now+w[i])%t[i]==0))){
int cnt=0;
while(now>cnt) cnt+=2*t[i];
now+=cnt-now;
}
}
out.println(now+l-x[n-1]);
out.flush();
}

static class InputReader {
private InputStream in;
private byte[] buffer=new byte[1024];
private int curbuf;
private int lenbuf;

public InputReader(InputStream in) {this.in=in;}
  
public int readByte() {
if(lenbuf==-1) throw new InputMismatchException();
if(curbuf>=lenbuf){
curbuf= 0;
try{
lenbuf=in.read(buffer);
}
catch (IOException e) {
throw new InputMismatchException();
}
if(lenbuf<=0)
return -1;
}
return buffer[curbuf++];
}

public boolean isSpaceChar(int c){return !(c>=33&&c<=126);}

private int skip() {int b; while((b = readByte())!=-1&&isSpaceChar(b)); return b;}

public String next() {
int b=skip();
StringBuilder sb=new StringBuilder();
while(!isSpaceChar(b)){
sb.appendCodePoint(b);
b=readByte();
}
return sb.toString();
}
 
public int nextInt() {
int c=readByte();
while (isSpaceChar(c)) c=readByte();
boolean minus=false;
if (c=='-') {
minus=true;
c=readByte();
}
int res=0;
do{
if(c<'0'||c>'9') throw new InputMismatchException();
res=res*10+c-'0';
c=readByte();
}while(!isSpaceChar(c));
return (minus)?-res:res;
}

public long nextLong() {
int c=readByte();
while (isSpaceChar(c)) c=readByte();
boolean minus=false;
if (c=='-') {
minus=true;
c=readByte();
}
long res = 0;
do{
if(c<'0'||c>'9') throw new InputMismatchException();
res=res*10+c-'0';
c=readByte();
}while(!isSpaceChar(c));
return (minus)?-res:res;
}

public int[] toIntArray(int n){
int[] a=new int[n];
for(int i=0;i<n;i++) a[i]=nextInt();
return a;
}
}
}