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#243581#2016. 贪吃蛇LYT0122100 ✓62ms15968kbC++142.8kb2023-11-08 14:35:422023-11-08 14:35:42

Judging History

你现在查看的是最新测评结果

  • [2023-11-08 14:35:42]
  • 评测
  • 测评结果:100
  • 用时:62ms
  • 内存:15968kb
  • [2023-11-08 14:35:42]
  • 提交

answer

#include <iostream>
#include <cstring>
#include <ctime>
#include <algorithm>
#include <cmath>
#include <vector>
#include <queue>
#include <set>
#include <map>
#include <deque>
using namespace std;
typedef long long int ll;
const int N=1e6+9,INF=1e9;
const double eps=1e-5;
typedef pair <int,int> PII;
inline int read()
{
    int x=0,f=1;char c=getchar();
    while(c<'0' || c>'9') {if(c=='-') f=-1;c=getchar();}
    while(c>='0' && c<='9') {x=x*10+c-48,c=getchar();}
    return x*f;
}
inline ll readll()
{
    ll x=0,f=1;char c=getchar();
    while(c<'0' || c>'9') {if(c=='-') f=-1;c=getchar();}
    while(c>='0' && c<='9') {x=x*10+c-48,c=getchar();}
    return x*f;
}
int n,a[N],ans;
deque <PII> q1,q2;
int main()
{
    // #define FILEIO
    #ifdef FILEIO
        freopen("in.in","r",stdin);
        freopen("out.out","w",stdout);
    #endif
    int T=read();
    for(int t=1;t<=T;t++)
    {
        if(t==1)
        {
            n=read();
            for(int i=1;i<=n;i++) a[i]=read();
        }
        else
        {
            int k=read();
            for(int i=1;i<=k;i++)
            {
                int x=read(),y=read();
                a[x]=y;
            }
        }
        q1.clear(),q2.clear();
        for(int i=1;i<=n;i++) q1.push_back({a[i],i});
        while(true)
        {
            if(q1.size()+q2.size()==2)
            {
                ans=1;
                break;
            }
            int x=q1.front().first,y,id;
            q1.pop_front();
            if(q2.empty() || (q1.empty()==false && q1.back()>q2.back()))
                y=q1.back().first,id=q1.back().second,q1.pop_back();
            else y=q2.back().first,id=q2.back().second,q2.pop_back();
            PII p={y-x,id};
            if(q1.empty() || q1.front()>p)
            {
                ans=q1.size()+q2.size()+2;
                int sum=0;
                while(true)
                {
                    sum++;
                    if(q1.size()+q2.size()==1)
                    {
                        if(sum%2==0) ans--;
                        break;
                    }
                    if(q2.empty() || (q1.empty()==false && q1.back()>q2.back()))
                        y=q1.back().first,id=q1.back().second,q1.pop_back();
                    else y=q2.back().first,id=q2.back().second,q2.pop_back();
                    p={y-p.first,id};
                    if((q1.empty() || p<q1.front()) && (q2.empty() || p<q2.front()));
                    else
                    {
                        if(sum%2==0) ans--;
                        break;
                    }
                }
                break;
            }
            else q2.push_front(p);
        }
        cout<<ans<<'\n';
    }
    cerr<<endl<<1e3*clock()/CLOCKS_PER_SEC<<"ms";
    return 0;
}

详细

Test #1:

score: 5
Accepted
time: 0ms
memory: 3864kb

input:

10
3
29 46 67
3
1 15 2 34 3 114
3
1 120 2 168 3 224
3
1 65 2 132 3 293
3
1 79 2 192 3 474
3
1 24 2 64 3 562
3
1 396 2 458 3 595
3
1 44 2 317 3 592
3
1 138 2 145 3 572
3
1 602 2 726 3 831

output:

3
1
3
1
1
1
3
1
1
3

result:

ok 10 lines

Test #2:

score: 5
Accepted
time: 0ms
memory: 3932kb

input:

10
3
21 73 85
3
1 53 2 69 3 126
3
1 90 2 244 3 259
3
1 67 2 288 3 320
3
1 247 2 351 3 445
3
1 150 2 483 3 568
3
1 534 2 583 3 590
3
1 114 2 226 3 745
3
1 199 2 436 3 513
3
1 147 2 324 3 555

output:

3
1
3
3
3
3
3
1
3
1

result:

ok 10 lines

Test #3:

score: 5
Accepted
time: 0ms
memory: 3932kb

input:

10
3
31 64 74
3
1 68 2 83 3 98
3
1 1 2 81 3 102
3
1 98 2 140 3 247
3
1 20 2 76 3 276
3
1 276 2 384 3 592
3
1 25 2 275 3 361
3
1 597 2 632 3 764
3
1 72 2 151 3 455
3
1 224 2 546 3 834

output:

3
3
1
1
1
3
1
3
1
1

result:

ok 10 lines

Test #4:

score: 5
Accepted
time: 0ms
memory: 3884kb

input:

10
3
24 62 82
3
1 19 2 28 3 145
3
1 98 2 198 3 278
3
1 25 2 67 3 278
3
1 20 2 254 3 262
3
1 110 2 175 3 585
3
1 87 2 369 3 584
3
1 222 2 524 3 604
3
1 11 2 27 3 420
3
1 241 2 495 3 838

output:

3
1
3
1
3
1
1
3
1
1

result:

ok 10 lines

Test #5:

score: 5
Accepted
time: 0ms
memory: 4056kb

input:

10
10
3 9 37 42 43 55 55 67 69 95
10
1 10 2 15 3 75 4 121 5 129 6 140 7 157 8 158 9 165 10 172
10
1 2 2 34 3 44 4 48 5 129 6 166 7 169 8 170 9 253 10 295
10
1 29 2 65 3 147 4 177 5 208 6 267 7 295 8 306 9 360 10 386
10
1 64 2 131 3 133 4 151 5 186 6 245 7 259 8 324 9 347 10 422
10
1 32 2 52 3 101 4 ...

output:

7
7
5
7
7
5
7
7
5
7

result:

ok 10 lines

Test #6:

score: 5
Accepted
time: 0ms
memory: 3988kb

input:

10
10
1 11 17 21 40 51 54 75 83 91
10
1 27 2 44 3 46 4 52 5 72 6 81 7 125 8 130 9 167 10 175
10
1 14 2 56 3 66 4 68 5 95 6 133 7 164 8 269 9 271 10 274
10
1 60 2 64 3 78 4 111 5 123 6 176 7 210 8 311 9 353 10 354
10
1 25 2 89 3 149 4 172 5 281 6 283 7 338 8 437 9 463 10 470
10
1 129 2 168 3 201 4 34...

output:

5
5
5
5
7
7
5
7
7
5

result:

ok 10 lines

Test #7:

score: 5
Accepted
time: 0ms
memory: 3864kb

input:

10
10
4 13 20 58 62 67 74 77 93 93
10
1 10 2 34 3 58 4 67 5 81 6 87 7 98 8 143 9 152 10 193
10
1 35 2 80 3 100 4 106 5 171 6 173 7 184 8 240 9 278 10 297
10
1 17 2 46 3 48 4 317 5 328 6 364 7 378 8 383 9 384 10 399
10
1 22 2 34 3 58 4 96 5 99 6 100 7 156 8 190 9 414 10 443
10
1 57 2 63 3 78 4 170 5 ...

output:

7
5
7
7
3
7
7
7
7
7

result:

ok 10 lines

Test #8:

score: 5
Accepted
time: 0ms
memory: 3888kb

input:

10
10
4 18 36 41 50 58 59 78 84 92
10
1 42 2 43 3 54 4 54 5 67 6 152 7 153 8 161 9 182 10 190
10
1 9 2 49 3 58 4 64 5 82 6 185 7 258 8 272 9 277 10 286
10
1 10 2 141 3 151 4 169 5 198 6 240 7 282 8 284 9 353 10 387
10
1 3 2 73 3 158 4 196 5 245 6 265 7 311 8 324 9 378 10 448
10
1 26 2 45 3 156 4 157...

output:

7
5
5
7
7
5
5
7
3
5

result:

ok 10 lines

Test #9:

score: 5
Accepted
time: 1ms
memory: 4088kb

input:

10
2000
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 7 7 7 7 7 7 7 7 7 7 8 ...

output:

1226
1222
1227
1231
1245
1189
1237
1219
1224
1255

result:

ok 10 lines

Test #10:

score: 5
Accepted
time: 1ms
memory: 3888kb

input:

10
2000
0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 4 4 4 4 4 4 4 4 4 4 4 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 8 8 8 8 ...

output:

1231
1239
1228
1233
1213
1233
1242
1255
1223
1261

result:

ok 10 lines

Test #11:

score: 5
Accepted
time: 1ms
memory: 3952kb

input:

10
2000
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 4 4 4 4 4 4 4 4 4 4 4 4 4 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 8 ...

output:

1236
1236
1201
1213
1232
1235
1214
1243
1257
1229

result:

ok 10 lines

Test #12:

score: 5
Accepted
time: 12ms
memory: 4484kb

input:

10
50000
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0...

output:

30512
30779
30949
30796
30946
30847
30807
30937
30867
30808

result:

ok 10 lines

Test #13:

score: 5
Accepted
time: 13ms
memory: 4488kb

input:

10
50000
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0...

output:

30619
30660
30793
30727
30877
30771
30846
30589
30800
30975

result:

ok 10 lines

Test #14:

score: 5
Accepted
time: 12ms
memory: 4524kb

input:

10
50000
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0...

output:

30435
30814
30682
30922
30855
30868
30851
31023
30968
30951

result:

ok 10 lines

Test #15:

score: 5
Accepted
time: 55ms
memory: 15580kb

input:

10
1000000
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0...

output:

609762
609762
609762
613003
613003
613003
613003
613003
613003
609165

result:

ok 10 lines

Test #16:

score: 5
Accepted
time: 60ms
memory: 15444kb

input:

10
1000000
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0...

output:

609891
609892
609892
609892
609892
609892
609892
618092
618092
618092

result:

ok 10 lines

Test #17:

score: 5
Accepted
time: 55ms
memory: 15968kb

input:

10
1000000
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0...

output:

609983
609983
609983
609984
609984
609984
609984
609070
609070
609071

result:

ok 10 lines

Test #18:

score: 5
Accepted
time: 59ms
memory: 15676kb

input:

10
1000000
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0...

output:

610259
610259
610259
613586
613586
613586
613586
616676
616676
616677

result:

ok 10 lines

Test #19:

score: 5
Accepted
time: 62ms
memory: 15508kb

input:

10
1000000
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0...

output:

610386
610386
610386
613680
613680
613680
613680
618492
618492
618493

result:

ok 10 lines

Test #20:

score: 5
Accepted
time: 60ms
memory: 15764kb

input:

10
1000000
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0...

output:

610138
610138
610138
613036
613036
613036
613036
613036
613036
609198

result:

ok 10 lines

Extra Test:

score: 0
Extra Test Passed