QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#405044 | #8227. 圆 | wxqwq | 0 | 74ms | 3848kb | C++14 | 1.5kb | 2024-05-05 09:04:15 | 2024-05-05 09:04:17 |
Judging History
answer
/*
若干个 1~9,选出若干个数想加使得大于 5 的数尽量多
首先本来就大于等于 5 的数不加是最优的
接下来设 1 2 3 4 数量分别为 a b c d
1+4
2+3/4
3+4
a>d d then a-d
b>c c then b-c
*/
#include <bits/stdc++.h>
using namespace std;
inline int read()
{
int x=0;bool f=0;char ch=getchar();
while(ch<'0' || ch>'9') {if(ch=='-') f=1;ch=getchar();}
while(ch>='0' && ch<='9') x=(x<<3)+(x<<1)+(ch^48),ch=getchar();
return f?-x:x;
}
#define x first
#define y second
#define pb push_back
#define rep(i,a,b) for(int i=(a);i<=(b);i++)
#define per(i,a,b) for(int i=(a);i>=(b);i--)
typedef pair<int,int> PII;
typedef long long LL;
typedef unsigned long long ull;
const int N=1e6+10;
int n;
int s[5];
float a[N];
int main()
{
int T=read();
while(T--) {
n=read(),s[0]=s[1]=s[2]=s[3]=s[4]=0;
int sum=0,x,y;
rep(i,1,n) {
scanf("%d.%d",&x,&y),sum+=x;
if(y<=4) s[y]++;
else ++sum;
}
int a=s[1],b=s[2],c=s[3],d=s[4],t1=min(a,d),t2=min(b,c);
// cout<<sum<<' '<<a<<' '<<b<<' '<<c<<' '<<d<<endl;
sum+=t1+t2;
// cout<<d<<' '<<s[4]<<endl;
a-=t1,d-=t1,b-=t2,c-=t2;
// cout<<sum<<endl;
if(a) {
if(b) {
if(b/2<=a) sum+=(b/2)+(a-b/2+2*(b&1))/5;
else sum+=a+(b-a*2)/3;
}
else if(c) {
if(a/2<=c) sum+=(a/2)+(c-a/2)/2;
else sum+=c+(a-c*2)/5;
}
else sum+=a/5;
}
else if(d) sum+=(b+c+d)/2;
else if(b) sum+=b/3;
else if(c) sum+=c/2;
// cout<<d<<' '<<t1<<endl;
printf("%d\n",sum);
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Subtask #1:
score: 0
Wrong Answer
Test #1:
score: 0
Wrong Answer
time: 5ms
memory: 3832kb
input:
10000 5 0.3 1.3 7.5 0.9 1.3 5 3.7 2.8 4.8 3.3 6.8 5 5.9 5.5 0.9 8.8 6.0 5 6.9 1.9 8.3 0.9 8.6 5 1.1 5.2 5.1 6.1 7.1 5 5.1 5.8 6.1 0.1 5.2 5 1.3 7.1 3.1 2.9 9.6 5 7.8 9.8 6.8 0.8 7.8 5 6.3 9.8 1.1 3.4 7.1 5 0.1 1.7 1.2 2.2 3.7 5 3.7 9.5 0.2 8.7 7.2 5 0.0 3.6 2.7 5.1 9.9 5 5.8 3.0 5.0 4.0 8.3 5 1.0 9....
output:
12 22 28 27 25 23 25 34 28 10 30 22 26 26 27 26 34 19 22 29 26 24 19 34 19 21 24 23 31 23 17 26 31 21 28 7 28 36 16 23 16 37 23 24 27 23 24 30 27 26 22 30 7 34 18 30 32 33 25 26 28 27 19 26 16 29 10 30 30 25 29 13 27 12 30 17 29 28 20 20 36 27 22 27 19 28 32 18 45 36 21 28 31 27 23 18 18 40 27 15 29...
result:
wrong answer 588th numbers differ - expected: '31', found: '32'
Subtask #2:
score: 0
Wrong Answer
Test #8:
score: 0
Wrong Answer
time: 1ms
memory: 3840kb
input:
100 12 3.8 2.2 7.7 4.3 8.1 9.3 6.2 7.6 5.8 9.3 5.3 7.2 12 9.1 5.5 6.5 8.1 4.1 4.5 9.1 0.5 3.1 3.7 6.5 2.4 12 2.4 3.4 3.4 8.7 0.7 9.2 0.9 2.0 5.0 8.6 5.0 0.0 12 6.7 5.0 4.7 8.9 8.5 2.8 9.0 6.8 6.0 6.7 9.5 0.9 12 4.2 7.2 8.5 9.1 0.2 4.2 0.2 5.6 2.3 1.7 0.2 8.4 12 9.7 6.8 4.0 1.8 7.7 2.8 2.1 3.3 0.7 4....
output:
79 66 51 78 54 56 74 59 68 68 50 57 79 53 65 62 35 77 65 51 53 60 47 74 69 77 43 60 61 66 60 87 63 56 52 64 67 42 69 43 69 71 81 70 53 72 81 57 41 67 77 66 53 57 73 62 57 59 75 52 71 61 41 79 53 55 60 65 49 72 49 49 61 50 52 74 76 66 69 29 66 66 57 64 74 66 52 86 44 57 62 59 59 52 59 63 58 52 64 61
result:
wrong answer 50th numbers differ - expected: '66', found: '67'
Subtask #3:
score: 0
Wrong Answer
Test #15:
score: 0
Wrong Answer
time: 55ms
memory: 3848kb
input:
10000 80 5.8 9.4 8.7 6.3 3.9 8.7 1.6 3.3 1.6 7.2 3.8 1.8 4.7 7.3 4.8 2.1 1.2 6.5 0.9 1.8 2.6 2.8 7.1 0.9 9.5 4.5 0.8 1.9 3.6 5.9 9.8 3.3 3.8 6.8 4.7 0.0 6.6 9.9 8.8 9.3 7.2 5.9 1.9 8.8 0.6 0.3 4.2 1.3 2.2 8.2 4.8 2.9 4.7 6.2 1.7 7.2 1.0 8.0 9.9 6.2 7.3 8.8 3.6 4.6 0.7 9.6 9.3 8.2 7.6 6.8 5.2 3.6 7.8...
output:
425 429 387 435 377 402 371 438 469 398 408 397 392 421 434 432 414 401 436 374 434 455 467 424 421 431 399 462 430 473 403 378 359 403 409 435 471 442 370 454 460 415 393 405 434 453 398 451 421 340 417 402 391 440 439 381 415 419 435 427 410 410 342 410 398 389 385 442 392 435 430 464 389 428 409 ...
result:
wrong answer 4th numbers differ - expected: '434', found: '435'
Subtask #4:
score: 0
Wrong Answer
Test #22:
score: 0
Wrong Answer
time: 74ms
memory: 3744kb
input:
10000 100 9.0 7.4 3.6 2.0 6.4 8.4 3.4 2.4 9.4 2.6 8.6 3.4 4.4 8.4 5.4 6.4 3.4 8.6 0.0 1.0 8.4 8.0 6.6 6.6 5.4 8.4 7.0 2.6 9.6 1.6 8.6 0.8 5.0 8.4 8.4 7.4 3.8 6.4 9.4 2.6 8.4 9.6 3.0 3.4 6.4 8.4 6.4 8.4 5.4 4.4 4.6 1.4 7.4 7.4 5.8 4.0 6.6 0.4 7.4 1.8 5.4 9.4 9.4 3.0 1.6 4.8 5.0 3.4 0.4 1.0 2.0 4.4 3....
output:
543 508 526 545 484 515 522 495 485 530 472 477 467 543 490 485 500 448 538 528 554 495 517 457 486 469 533 502 493 550 535 476 541 523 541 560 475 496 528 474 565 468 492 476 518 512 567 515 545 488 484 496 543 513 540 455 493 516 459 534 477 517 576 445 488 499 558 555 450 492 504 489 506 538 543 ...
result:
wrong answer 2nd numbers differ - expected: '503', found: '508'
Subtask #5:
score: 0
Wrong Answer
Test #29:
score: 0
Wrong Answer
time: 74ms
memory: 3732kb
input:
10000 100 2.1 3.8 5.3 2.1 1.8 3.1 5.6 6.8 1.3 8.6 5.8 1.9 4.9 4.2 9.2 6.1 6.3 2.2 5.6 1.3 6.7 2.7 1.0 6.8 6.3 5.9 8.3 7.9 0.0 0.1 4.9 4.9 0.2 2.9 4.0 8.6 1.6 2.0 1.0 1.0 5.7 2.0 5.7 2.8 2.8 2.8 2.3 5.9 5.3 7.0 8.6 4.0 6.6 5.1 5.0 8.7 3.0 0.9 5.0 2.8 4.7 5.1 1.2 8.1 0.0 0.6 6.6 1.3 3.0 0.6 9.9 9.0 9....
output:
459 529 536 485 522 499 517 518 495 525 535 549 526 532 538 523 540 529 535 513 516 521 518 513 496 497 496 486 545 521 533 476 487 520 506 502 601 562 559 540 532 539 495 548 516 497 516 536 485 573 532 486 509 496 492 516 548 535 529 523 490 565 448 493 541 559 532 498 518 477 546 507 542 521 488 ...
result:
wrong answer 13th numbers differ - expected: '524', found: '526'