NOI.AC
| 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 |
|---|---|---|---|---|---|---|---|---|---|
| #171358 | #995. 新年礼物 | heyuzhen | 100 | 0ms | 1212kb | C++ | 456b | 2023-06-22 21:55:16 | 2023-06-22 21:55:18 |
answer
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define dou double
ll m,n,a[1005],ans;
bool x[1005];
int main(){
cin >> m >> n;
for(ll i = 1;i <= n;i++)
cin >> a[i];
sort(a + 1,a + n + 1);
reverse(a + 1,a + n + 1);
for(ll i = 1;i <= n;i++)
if(!x[i]){
ans++;
x[i] = 1;
for(ll j = 1;j <= n;j++)
if(x[j] == 0 && a[j] + a[i] <= m){
x[j] = 1;
break;
}
}
cout << ans;
return 0;
}
详细
小提示：点击横条可展开更详细的信息
Test #1:
score: 20
Accepted
time: 0ms
memory: 1208kb
input:
177 14 47 114 159 109 81 115 8 40 83 157 122 121 41 117
output:
9
result:
ok single line: '9'
Test #2:
score: 20
Accepted
time: 0ms
memory: 1212kb
input:
104 5 12 8 52 74 54
output:
3
result:
ok single line: '3'
Test #3:
score: 20
Accepted
time: 0ms
memory: 1212kb
input:
119 12 98 111 108 15 39 84 15 31 7 49 62 107
output:
7
result:
ok single line: '7'
Test #4:
score: 20
Accepted
time: 0ms
memory: 1208kb
input:
192 3 42 192 21
output:
2
result:
ok single line: '2'
Test #5:
score: 20
Accepted
time: 0ms
memory: 1212kb
input:
88 13 77 83 38 67 66 8 57 88 67 50 88 88 13
output:
10
result:
ok single line: '10'
