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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
#187424#6130. Plants vs. Zombiesmicrowave173WA 126ms4588kbC++141.6kb2023-09-24 17:10:222023-09-24 17:10:22

Judging History

你现在查看的是最新测评结果

  • [2023-09-24 17:10:22]
  • 评测
  • 测评结果:WA
  • 用时:126ms
  • 内存:4588kb
  • [2023-09-24 17:10:22]
  • 提交

answer

#include<iostream>
using namespace std;
int n, t;
long long m;
int a[100005];


void init(){

}

bool check(long long int x){
    int p = 0;
    long long int stp = 0;
    long long int val[100005];
    for(int i = 0;i < n;i++){
        val[i] = 0;
    }
    while(1){
        if(stp > m){  //大了
            return false;
        }
        if(p >= n){  //小了或等于
            return true;
        }
        long long int d = x - val[p];
        if(d < 0) d = 0;

        if(d == 0){
            stp += 1;
            p++;
            continue;
        }

        long long int water_tim = d / a[p];
        if(d % a[p] > 0) water_tim++;
        val[p] += water_tim * a[p];
        val[p + 1] += (water_tim - 1) * a[p + 1];
        stp += 2 * water_tim - 1;
        p++;
        //cout << d << ' ' << stp << endl;
    }
}

void solve(){
    long long int l = 0;
    long long int r = 1e17;
    long long int mid;
    while(r - l > 1){
        //cout << l << ' ' << r << endl;
        mid = (l + r)/2;
        bool flag = check(mid);
        if(flag == false){
            r = mid - 1;
        }
        else{
            l = mid;
        }
    }
    //cout << l << ' ' << r << endl;
    bool flag_l = check(l);
    bool flag_r = check(r);
    if(flag_l && flag_r){
        cout << r << endl;
    }
    else if(flag_l && !flag_r){
        cout << l << endl;
    }
    else{
        cout << l << endl;
    }
}

int main(){
    cin >> t;
    while(t--){
        cin >> n >> m;
        for(int i = 0;i < n;i++){
            cin >> a[i];
        }
        solve();
    }
    return 0;
}

详细

Test #1:

score: 100
Accepted
time: 1ms
memory: 4360kb

input:

2
4 8
3 2 6 6
3 9
10 10 1

output:

6
4

result:

ok 2 number(s): "6 4"

Test #2:

score: -100
Wrong Answer
time: 126ms
memory: 4588kb

input:

116
4 0
3 2 6 6
4 1
3 2 6 6
10 19
10 2 8 4 2 4 9 3 3 3
4 8
3 9 3 6
2 19
2 10
11 15
3 1 1 4 3 7 10 8 6 7 10
10 14
8 7 1 1 10 9 2 8 10 7
2 13
2 3
10 10
8 1 6 6 9 4 7 1 8 8
7 14
6 7 4 5 3 1 3
11 6
8 1 10 9 7 2 6 6 1 3 9
4 10
6 1 3 8
7 7
10 6 2 10 4 7 2
5 11
9 10 5 9 2
9 1
2 4 8 6 2 8 8 1 6
4 5
7 2 9 8
...

output:

0
0
4
6
18
3
2
12
1
4
0
4
2
6
0
2
24
3
30
10
0
2
3
0
0
2
6
0
1
6
24
28
1
3
3
0
4
10
6
4
1
5
0
1
0
7
30
2
0
0
16
8
0
30
2
25
4
2
0
0
2
0
2
0
5
2
0
0
0
0
5
0
4
4
28
0
0
21
3
0
2
4
0
0
14
4
6
1
0
5
12
3
8
0
4
0
10
12
5
6
1
6
9
0
725
0
17
132
676
588
110
0
163
5910826
1000000000000
16561021906

result:

wrong answer 5th numbers differ - expected: '20', found: '18'