QOJ.ac

QOJ

ID题目提交者结果用时内存语言文件大小提交时间测评时间
#214650#3061. Donut DronejinhaoxianAC ✓481ms36324kbC++142.5kb2023-10-14 22:35:002023-10-14 22:35:00

Judging History

你现在查看的是最新测评结果

  • [2023-10-14 22:35:00]
  • 评测
  • 测评结果:AC
  • 用时:481ms
  • 内存:36324kb
  • [2023-10-14 22:35:00]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
int n,m,q,e[2050][2050],nxt[2050][2050],skp[2050],x,y,z,curx,cury;
string op;
int ansx,ansy;
void upd(int i,int j) {
    if ((e[i][(j+1)%m]>=e[(i+n-1)%n][(j+1)%m])&&(e[i][(j+1)%m]>=e[(i+1)%n][(j+1)%m])) nxt[i][j]=i;
    else if (e[(i+n-1)%n][(j+1)%m]>e[(i+1)%n][(j+1)%m]) nxt[i][j]=(i+n-1)%n;
    else nxt[i][j]=(i+1)%n;
}
void do_walk(int &ansx,int &ansy) {
    ansx=nxt[ansx][ansy];
    ansy=(ansy+1)%m;
}
void do_skip(int &ansx,int &ansy) {
    ansx=skp[ansx];
}
int vis[2050];
void solve(int &ansx,int &ansy,int cnt) {
    memset(vis,0,sizeof(vis));
    int cur=1;
    vis[ansx]=cur;
    while (cnt) {
        cnt--;
        do_skip(ansx,ansy);
        cur++;
        if (vis[ansx]) {
            cnt%=(cur-vis[ansx]);
            break;
        } else {
            vis[ansx]=cur;
        }
    }
    while (cnt) {
        cnt--;
        do_skip(ansx,ansy);
    }
}
void refresh(int x,int y) {
    upd(x,y);
    int curx=x;cury=y;
    do_walk(curx,cury);
    while (cury) do_walk(curx,cury);
    int ll=x+n*m,rr=x+n*m;
    for (int i=(y-1)%m;i>=0;i--) {
        if (nxt[(ll-1)%n][i]==ll%n) ll--;
        else if (nxt[ll%n][i]==(ll-1)%n) ll++;
        if (nxt[(rr+1)%n][i]==rr%n) rr++;
        else if (nxt[rr%n][i]==(rr+1)%n) rr--;
        if (rr-ll+1>=n) break;
        if (ll>rr) break;
    }
    for (int i=ll;i<=rr;i++) skp[i%n]=curx;
}
int main() {
    scanf("%d%d",&n,&m);
    for (int i=0;i<n;i++) {
        for (int j=0;j<m;j++) scanf("%d",&e[i][j]);
    }
    for (int i=0;i<n;i++) {
        for (int j=0;j<m;j++) {
            upd(i,j);
        }
    }
    for (int i=0;i<n;i++) {
        skp[i]=i;
        for (int j=0;j<m;j++) skp[i]=nxt[skp[i]][j];
    }
    cin>>q;
    while (q--) {
        cin>>op;
        if (op=="move") {
            cin>>x;
            while (ansy&&x) {
                x--;
                do_walk(ansx,ansy);
            }
            if (!x) {
                cout<<ansx+1<<' '<<ansy+1<<endl;
                continue;
            } else {
                y=x/m;x%=m;
                solve(ansx,ansy,y);
                while (x) {
                    x--;
                    do_walk(ansx,ansy);
                }
                cout<<ansx+1<<' '<<ansy+1<<endl;
            }
        } else {
            cin>>x>>y>>z;
            x--;y--;
            e[x][y]=z;
            refresh((x+n-1)%n,(y+m-1)%m);
            refresh(x,(y+m-1)%m);
            refresh((x+1)%n,(y+m-1)%m);
        }
    }
    return 0;
}

详细

Test #1:

score: 100
Accepted
time: 1ms
memory: 5780kb

input:

4 4
1 2 9 3
3 5 4 8
4 3 2 7
5 8 1 6
4
move 1
move 1
change 1 4 100
move 1

output:

4 2
1 3
1 4

result:

ok 3 lines

Test #2:

score: 0
Accepted
time: 0ms
memory: 5848kb

input:

3 4
10 20 30 40
50 60 70 80
90 93 95 99
3
move 4
change 2 1 100
move 4

output:

3 1
2 1

result:

ok 2 lines

Test #3:

score: 0
Accepted
time: 7ms
memory: 5868kb

input:

20 30
8 1 7 4 3 1 2 1 5 5 2 7 6 4 7 1 2 9 1 9 9 9 9 6 4 9 1 6 3 10
7 3 5 6 5 3 5 3 1 9 8 8 7 7 6 7 5 10 9 6 5 3 8 2 7 10 6 8 4 3
6 4 3 1 7 7 6 7 2 7 3 6 8 6 3 2 7 8 10 8 6 5 6 10 2 6 5 10 10 9
2 5 10 9 4 9 3 6 10 8 1 7 3 3 7 3 3 6 7 5 1 1 10 6 8 5 4 2 1 8
5 1 2 8 3 4 2 4 4 9 6 3 1 5 9 1 9 3 8 3 7 10...

output:

19 10
18 19
3 24
3 30
3 2
4 3
3 8
7 14
3 21
2 27
3 7
3 8
6 16
5 17
3 24
2 27
3 29
3 8
7 12
6 16
3 22
3 2
7 12
3 19
1 22
4 25
4 3
3 5
7 12
3 20
1 22
2 24
3 2
6 11
3 20
2 24
4 4
3 5
5 10
6 11
4 18
2 21
3 29
3 2
3 5
4 9
6 16
2 25
1 26
2 1
4 6
7 15
2 24
3 2
7 12
3 19
3 28
5 4
9 11
9 12
11 17
10 19
12 21...

result:

ok 1945 lines

Test #4:

score: 0
Accepted
time: 8ms
memory: 6044kb

input:

50 50
126812431 909179109 607682292 96000160 425314080 189788877 721251789 103560861 114082307 888028612 277663589 257100764 842807257 327052508 652365304 770138116 384723035 680037089 675501229 509497026 174936063 991259231 761329528 658883078 806406343 741076652 973854314 192609094 398064987 65322...

output:

46 21
46 21
1 49
47 20
46 37
1 42
45 35
50 50
2 17
1 43
2 38
2 47
50 50
2 38
50 50
2 26
2 17
2 34
2 21
4 9
3 6
1 2
1 30
2 40
2 21
2 35
2 17
2 31
2 32
4 9
2 42
3 12
4 8
2 31
1 3
2 15
1 48
1 20
1 30
2 17
49 49
2 14
2 4
1 30
1 29
2 40
2 24
1 27
1 36
1 27
49 47
3 6
2 32
3 41
49 48
2 34
3 41
47 22
49 28
...

result:

ok 502 lines

Test #5:

score: 0
Accepted
time: 16ms
memory: 12092kb

input:

100 191
178 164 436 292 160 15 447 40 415 308 107 456 61 483 370 222 49 178 96 272 359 232 285 356 320 316 56 450 34 30 300 15 53 269 210 271 443 169 387 273 181 175 38 177 167 447 376 252 434 97 334 389 349 216 293 265 227 273 171 351 68 481 430 249 482 117 206 429 359 61 431 207 163 336 329 490 20...

output:

94 140
94 149
98 91
98 19
97 121
94 169
3 51
98 97
1 37
1 37
3 61
97 10
98 13
93 179
95 146
97 8
97 130
96 6
95 158
98 122
94 181
94 140
97 117
94 176
96 133
100 38
99 29
1 68
3 59
3 46
97 124
93 155
95 139
94 143
10 10
13 63
7 184
8 164
13 62
12 57
15 41
10 10
12 84
8 2
11 89
11 119
12 92
7 166
9 7...

result:

ok 516 lines

Test #6:

score: 0
Accepted
time: 353ms
memory: 36076kb

input:

1999 1971
274359794 615065638 314433231 715787778 486221282 877103113 462895814 602525302 496926569 16482389 7389157 94419868 841896951 423947821 735538885 670514061 398818169 503874450 256795479 71430930 757204344 924882965 721532878 511539013 917383058 160383266 270331386 296482213 104942177 30363...

output:

19 867
17 863
19 472
21 898
27 1104
29 1490
35 1470
28 64
21 24
34 1360
32 1384
10 756
17 915
30 1504
32 1398
22 16
35 1141
15 553
21 378
34 1168
18 455
16 515
33 1299
28 1556
34 1599
35 1443
9 685
32 1572
31 1205
22 386
26 1959
31 1200
20 817
30 1407
17 877
11 737
24 121
30 1546
25 156
10 997
18 44...

result:

ok 4951 lines

Test #7:

score: 0
Accepted
time: 399ms
memory: 36324kb

input:

1999 1972
908570368 576114585 871607413 105528864 717151909 868091308 442016015 96884299 951725816 178293034 660937316 882194661 290229206 116518447 685144293 777163613 825739358 379460279 316897433 343444500 220852674 464535570 629533274 19187139 768795424 839233681 621997087 563642576 573864427 21...

output:

11 50
30 1407
22 1111
23 1496
9 103
7 991
23 1154
1999 536
10 102
1998 414
30 1294
36 1388
19 3
1991 817
17 1891
26 1416
14 134
1991 649
1993 556
12 1559
22 1155
21 1107
1996 268
1996 269
1997 848
1990 611
1997 683
20 1157
11 50
1 251
12 151
14 135
18 1091
36 1358
1999 237
12 1555
8 918
18 1
19 1464...

result:

ok 55 lines

Test #8:

score: 0
Accepted
time: 259ms
memory: 36276kb

input:

1999 1971
5 4 5 5 2 3 2 2 1 1 5 3 4 3 5 4 2 3 4 1 2 3 5 2 3 5 5 5 2 2 1 2 2 3 5 5 4 1 4 1 1 2 1 3 5 1 5 3 4 4 4 1 2 4 3 3 4 2 1 3 4 3 4 2 4 2 4 1 1 3 3 1 3 1 2 4 3 4 5 5 2 5 2 4 5 5 1 5 5 2 1 1 4 4 1 1 2 4 2 4 5 1 3 3 5 2 5 2 2 5 1 2 1 3 4 3 3 5 5 4 4 5 4 5 2 5 2 4 1 1 2 3 2 1 5 3 5 1 5 4 3 3 5 3 5 ...

output:

100 1816
98 151
84 910
92 271
101 1589
91 1067
96 1691
98 413
88 202
100 1658
88 1967
100 147
92 271
87 1293
84 1251
98 134
93 1929
97 294
99 454
99 118
85 1247
99 462
92 1764
86 1279
96 175
98 1688
88 1377
99 1533
97 375
92 1355
89 1023
94 159
92 1773
82 849
93 47
94 1846
99 1805
101 1660
84 1046
1...

result:

ok 4944 lines

Test #9:

score: 0
Accepted
time: 299ms
memory: 36248kb

input:

1999 1972
5 1 2 5 2 3 3 3 4 3 2 3 3 1 4 1 6 5 4 6 2 5 1 1 1 4 5 4 3 1 2 3 5 5 4 5 6 5 1 6 6 2 6 4 4 1 5 5 5 4 2 2 5 5 5 2 1 5 1 6 3 4 2 1 5 3 3 3 2 3 4 1 4 5 5 2 5 3 4 5 3 6 3 3 4 6 5 3 4 1 4 2 6 1 1 5 1 3 3 6 5 2 3 2 6 6 5 1 5 5 3 3 5 4 5 5 2 5 2 5 3 2 1 3 5 1 1 3 4 4 1 6 2 4 6 3 3 3 4 6 4 1 6 3 1 ...

output:

1926 1347
1944 1057
1940 710
1930 1764
1943 42
1931 563
1942 1917
1926 410
1942 1053
1932 1122
1928 335
1940 705
1917 462
1923 371
1922 524
1926 1246
1939 842
1933 940
1932 656
1923 1320
1926 583
1926 1219
1937 1827
1921 1646
1935 13
1941 1070
1941 822
1929 1160
1936 1809
1919 241
1927 387
1933 671
...

result:

ok 51 lines

Test #10:

score: 0
Accepted
time: 300ms
memory: 36136kb

input:

2000 1999
6 6 4 5 4 2 3 1 1 2 5 1 1 2 6 3 1 5 5 4 5 2 4 1 6 6 1 4 2 3 5 6 1 4 6 4 4 3 4 3 6 3 2 4 3 2 1 3 1 2 6 2 6 1 5 4 4 2 5 6 2 3 2 1 3 3 4 3 6 4 1 2 1 4 1 1 1 6 6 3 5 4 4 2 2 3 3 4 2 4 4 4 3 6 6 6 2 6 3 3 6 2 4 5 2 1 5 6 6 3 1 3 4 6 4 4 1 3 5 4 1 6 6 6 6 5 2 5 1 3 2 3 4 1 4 6 5 2 6 6 5 1 5 3 6 ...

output:

1996 429
7 1375
1990 162
2000 1918
1 499
7 1392
1999 1605
3 1859
1992 690
3 1531
1985 101
9 1290
2000 1511
6 1819
1 1540
8 1811
8 1067
1 918
1993 166
2000 1519
11 1081
1996 173
7 1392
1979 129
11 1091
1999 1958
1994 214
8 1483
1997 399
1997 1708
1992 1634
2000 930
3 1172
2000 1195
2 339
1985 97
2000...

result:

ok 2513 lines

Test #11:

score: 0
Accepted
time: 259ms
memory: 36268kb

input:

1998 2000
5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 ...

output:

1195 381
979 1816
1732 485
772 1313
1435 1068
1561 1753
1726 696
1915 1877
1993 837
916 1404
1240 403
1633 514
379 723
1588 1116
1762 365
1621 105
1372 1847
679 1301
1270 408
1504 1197
1033 1496
268 267
1033 743
1612 1198
1849 1420
445 80
1495 1613
1135 1082
1633 1309
1507 1479
1261 776
1324 772
198...

result:

ok 3332 lines

Test #12:

score: 0
Accepted
time: 292ms
memory: 36264kb

input:

1998 2000
5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 ...

output:

829 1918
541 712
22 1294
1246 527
1918 1368
145 218
1855 1421
616 1809
472 971
1588 923
982 1033
1330 1786
1630 187
637 27
1945 457
1393 1132
397 219
724 1984
1318 337
1231 1954
1156 981
1840 24
532 1075
1303 984
709 45
571 1166
82 1101
271 1384
97 1470
1492 1186
1405 917
931 1108
1357 2
124 1406
16...

result:

ok 1666 lines

Test #13:

score: 0
Accepted
time: 6ms
memory: 5720kb

input:

3 30
2 3 5 4 1 3 4 3 5 1 1 2 4 3 4 5 1 3 2 3 1 3 3 3 2 5 1 3 3 2
5 5 4 5 5 2 1 1 3 5 4 4 2 2 5 1 5 5 3 1 4 5 2 4 3 1 5 1 5 3
4 4 3 3 3 5 3 5 1 3 2 1 5 1 3 4 4 4 4 4 3 1 1 5 5 2 2 5 2 1
5000
change 3 3 1
move 952187187
change 1 27 1
move 974680939
change 3 13 1
change 2 5 2
move 920255431
change 2 20...

output:

3 28
2 17
2 18
1 23
2 24
2 22
2 30
2 4
1 7
2 29
2 29
2 17
2 17
1 9
1 7
3 5
1 3
3 14
2 1
1 16
2 30
1 9
3 6
2 21
3 23
3 21
1 16
3 5
1 13
2 29
1 26
2 4
3 5
3 8
1 16
3 6
1 10
3 30
2 11
2 12
1 26
2 22
1 10
1 9
1 10
3 15
3 1
1 7
3 23
2 29
2 2
2 5
3 15
3 12
3 20
1 11
2 22
3 10
3 3
3 5
3 20
1 24
3 5
1 24
3 ...

result:

ok 1935 lines

Test #14:

score: 0
Accepted
time: 6ms
memory: 5912kb

input:

4 4
4 2 3 1
2 5 5 2
3 1 2 4
1 4 1 3
5000
change 1 1 5
move 973774583
change 2 1 2
move 907682990
change 3 2 3
move 967713529
change 1 3 4
move 957932232
change 3 1 3
change 2 3 3
move 903397861
move 976938118
change 3 1 4
move 981043236
move 979560517
change 2 1 2
change 2 2 1
change 3 1 4
change 3 ...

output:

3 4
2 2
2 3
2 3
4 4
2 2
2 2
1 3
1 1
1 3
1 3
4 4
4 2
1 4
1 4
1 4
1 4
1 1
1 4
1 3
1 1
4 2
1 4
1 1
1 1
4 2
1 1
1 3
3 4
4 1
3 3
3 4
1 1
1 4
1 4
1 4
1 1
1 4
2 2
1 1
2 3
2 3
1 1
1 1
1 1
2 2
2 2
2 2
3 1
3 3
3 3
2 2
3 3
2 2
2 2
1 3
3 1
3 1
1 3
3 1
3 1
1 3
1 4
1 3
1 2
1 4
1 4
1 4
1 3
2 3
1 4
2 4
3 1
3 3
3 3
...

result:

ok 2027 lines

Test #15:

score: 0
Accepted
time: 481ms
memory: 36312kb

input:

2000 1999
2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 1976 1975 1974 1973 1972 1971 1970 1969 1968 1967 1966 1965 1964 1963 1962 1961 1960 1959 1958 1957 1956 1955 1954 1953 1952 ...

output:

1884 106
1261 1509
1418 1024
1167 78
1203 1697
1251 843
1605 1894
1191 687
1801 1010
1451 711
530 1846
1906 1363
1611 655
759 342
1779 589
348 73
1347 1297
85 671
1927 1237
725 68
181 308
624 418
219 1555
108 689
1234 1365
1308 1642
298 1632
248 64
1631 454
1348 133
1945 1546
1945 734
1079 879
1313 ...

result:

ok 2500 lines

Test #16:

score: 0
Accepted
time: 297ms
memory: 36216kb

input:

2000 1999
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

output:

999 1734
999 1990
999 1343
999 1784
999 258
999 629
999 1611
999 1416
999 346
999 1686
999 747
999 1072
999 795
999 1160
999 1648
999 1484
1002 1030
1002 271
1002 768
1002 605
999 1118
999 1399
999 693
999 906
1002 93
1002 1998
1002 388
1002 1220
999 1139
999 861
999 215
999 832
1002 479
1002 915
99...

result:

ok 1666 lines

Test #17:

score: 0
Accepted
time: 304ms
memory: 36188kb

input:

2000 1999
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

output:

999 872
999 1042
999 1097
999 425
999 138
999 1763
999 1201
999 757
999 1317
999 1177
1002 354
1002 1867
999 129
999 1612
1002 577
1002 322
999 104
999 41
999 60
999 1374
1002 132
1002 1850
999 1686
999 160
1002 1022
1002 1734
1002 431
1002 1120
999 501
999 754
999 1974
999 1047
999 1870
999 1805
99...

result:

ok 1666 lines

Test #18:

score: 0
Accepted
time: 298ms
memory: 36292kb

input:

2000 1999
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

output:

1002 267
1002 1810
1002 1923
1002 29
1002 1868
1002 974
1002 133
1002 285
999 460
999 44
1002 314
1002 1883
1002 213
1002 33
1002 1070
1002 488
1002 77
1002 1453
1002 87
1002 1575
999 1506
999 226
1002 1170
1002 957
1002 1454
1002 207
999 1427
999 40
999 430
999 1326
1002 1220
1002 493
1002 1282
100...

result:

ok 1666 lines

Test #19:

score: 0
Accepted
time: 421ms
memory: 36152kb

input:

1998 2000
5999 6001 6003 6005 6007 6009 6011 6013 6015 6017 6019 6021 6023 6025 6027 6029 6031 6033 6035 6037 6039 6041 6043 6045 6047 6049 6051 6053 6055 6057 6059 6061 6063 6065 6067 6069 6071 6073 6075 6077 6079 6081 6083 6085 6087 6089 6091 6093 6095 6097 6099 6101 6103 6105 6107 6109 6111 6113 ...

output:

1936 61
1488 1488
353 351
767 765
724 722
281 1719
809 807
486 484
81 1919
208 206
1061 936
1692 305
1542 455
351 1649
686 684
411 1589
1773 1773
1273 1273
781 779
1795 202
192 1808
689 687
1424 1424
1461 1461
932 930
136 1864
1969 28
1124 1124
785 1215
442 1558
1226 1226
789 1211
1561 436
1476 521
...

result:

ok 527 lines

Test #20:

score: 0
Accepted
time: 371ms
memory: 36272kb

input:

1998 2000
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

output:

1361 61
1209 1488
349 351
67 765
24 722
981 1719
109 807
216 484
781 1919
494 206
1761 936
1605 305
1755 455
951 1649
16 684
891 1589
1073 1773
1424 1273
81 779
1502 202
892 1808
13 687
1273 1424
1236 1461
232 930
836 1864
1328 28
1573 1124
517 1215
860 1558
1471 1226
513 1211
1736 436
1821 521
553 ...

result:

ok 527 lines

Test #21:

score: 0
Accepted
time: 388ms
memory: 36272kb

input:

1998 2000
7199 7201 7203 7205 7207 7209 7211 7213 7215 7217 7219 7221 7223 7225 7227 7229 7231 7233 7235 7237 7239 7241 7243 7245 7247 7249 7251 7253 7255 7257 7259 7261 7263 7265 7267 7269 7271 7273 7275 7277 7279 7281 7283 7285 7287 7289 7291 7293 7295 7297 7299 7301 7303 7305 7307 7309 7311 7313 ...

output:

1336 61
1909 1488
953 351
635 765
678 722
321 1719
593 807
916 484
521 1919
808 206
1536 936
1092 305
1055 455
251 1649
716 684
191 1589
1624 1773
1873 1273
621 779
1195 202
410 1808
713 687
1973 1424
1936 1461
470 930
466 1864
1369 28
1724 1124
185 1215
160 1558
1826 1226
189 1211
1036 436
1121 521...

result:

ok 527 lines