ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#215121 | #2441. 物品 | stawalr | 100 | 765ms | 14916kb | C++11 | 1.2kb | 2024-11-26 19:35:23 | 2024-11-26 23:02:13 |
answer
#include<bits/stdc++.h>
#define int long long
using namespace std;
const int mn=5e5+5;
struct item
{
int a,w,id;
}a[mn];
int n,c;
int b[mn],tp;
bool cmp(item x,item y)
{
return x.w<y.w;
}
bool check(int x)
{
int left=c,cnt=0;
for(int i=1;i<=n;i++)
{
if(a[i].a<x)continue;
cnt++;
left-=a[i].w;
if(left<0)return 0;
if(cnt==x)return 1;
}
return (cnt==x);
}
signed main()
{
scanf("%lld%lld",&n,&c);
for(int i=1;i<=n;i++)
{
scanf("%lld%lld",&a[i].a,&a[i].w);
a[i].id=i;
}
sort(a+1,a+n+1,cmp);
int l=1,r=n,ans=-1;
while(l<=r)
{
int mid=(((long long)l+(long long)r)>>1);
if(check(mid))
{
ans=mid;
l=mid+1;
}
else
{
r=mid-1;
}
}
printf("%lld\n%lld\n",ans,ans);
for(int i=1;i<=n;i++)
{
if(a[i].a<ans)continue;
b[++tp]=a[i].id;
if(ans==tp)break;
}
sort(b+1,b+tp+1);
for(int i=1;i<=tp;i++)
{
printf("%lld ",b[i]);
}
printf("\n");
return 0;
}
Details
小提示:点击横条可展开更详细的信息
Test #1:
score: 10
Accepted
time: 0ms
memory: 1208kb
input:
18 1024 8 3 8 1 16 9 17 6 2 5 12 3 1 7 7 9 17 1 14 3 2 7 17 5 2 3 2 5 2 10 8 3 2 3 17 5
output:
8 8 1 2 6 9 10 12 16 18
result:
points 1.0 Correct
Test #2:
score: 10
Accepted
time: 0ms
memory: 1212kb
input:
20 79841 15 4337 9 6289 7 9927 12 1468 7 9390 12 9228 7 5646 8 3438 3 1614 3 7048 10 8840 15 2349 16...
output:
10 10 1 4 6 11 12 13 14 17 19 20
result:
points 1.0 Correct
Test #3:
score: 10
Accepted
time: 1ms
memory: 1260kb
input:
1888 987654 1082 243 1341 309 1524 959 324 593 894 952 1428 587 1367 91 1669 683 616 866 958 791 172...
output:
949 949 1 2 3 6 7 8 10 11 12 13 14 16 22 23 25 27 28 29 30 34 35 36 39 40 41 42 44 47 48 49 50 51 55...
result:
points 1.0 Correct
Test #4:
score: 10
Accepted
time: 0ms
memory: 1264kb
input:
1999 12000000 1112 2799 524 6890 686 6713 1803 4478 940 4341 1391 8972 953 592 454 7711 524 8224 127...
output:
978 978 1 4 6 11 12 14 15 18 19 20 21 24 25 28 30 33 34 37 38 41 45 46 48 50 52 53 56 58 59 66 68 70...
result:
points 1.0 Correct
Test #5:
score: 10
Accepted
time: 0ms
memory: 1264kb
input:
2000 9788123 296 3976 154 3441 78 9146 1443 6444 1799 2843 1482 6843 1526 3159 1956 9324 1442 1001 5...
output:
997 997 4 5 6 7 8 9 11 18 20 26 28 29 30 31 32 34 36 38 41 42 44 45 48 51 53 54 55 56 57 60 61 63 65...
result:
points 1.0 Correct
Test #6:
score: 10
Accepted
time: 77ms
memory: 6680kb
input:
200000 87654321 33240 503 90721 868 64272 858 170928 616 92246 213 50575 59 148252 954 87639 739 328...
output:
100168 100168 4 7 12 16 17 18 20 21 26 27 28 29 30 32 34 37 38 43 44 47 48 51 54 55 57 60 62 63 66 6...
result:
points 1.0 Correct
Test #7:
score: 10
Accepted
time: 85ms
memory: 6668kb
input:
200000 987654321 199051 7573 6332 5631 35615 9816 185684 9227 198894 8029 185684 2173 54203 2887 107...
output:
98978 98978 1 4 5 6 8 11 12 13 16 17 18 19 20 22 27 28 31 32 33 34 35 37 40 46 51 53 54 57 60 61 62 ...
result:
points 1.0 Correct
Test #8:
score: 10
Accepted
time: 187ms
memory: 13364kb
input:
444444 998244353 243276 2272 436596 1761 70822 1547 263965 942 280972 2658 87160 421 268504 2945 103...
output:
222615 222615 1 2 4 5 7 10 12 17 19 20 23 24 25 26 29 30 33 34 36 37 40 42 44 45 48 50 56 59 60 61 6...
result:
points 1.0 Correct
Test #9:
score: 10
Accepted
time: 208ms
memory: 14916kb
input:
500000 999999999 131412 807 486292 804 462352 1139 52896 196 426775 1655 18059 2099 224414 1308 2851...
output:
254580 254580 2 3 5 8 9 10 13 14 15 17 18 20 24 26 27 28 29 34 35 37 41 42 44 45 48 56 57 58 59 61 6...
result:
points 1.0 Correct
Test #10:
score: 10
Accepted
time: 207ms
memory: 14736kb
input:
500000 1000000000 42362 5090 327916 7618 221602 679 295161 1419 69703 4221 108614 6788 210597 6940 2...
output:
231450 231450 2 4 12 14 16 18 19 24 27 33 37 42 43 47 49 52 53 55 56 59 60 62 67 68 69 74 75 77 78 7...
result:
points 1.0 Correct