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Submission #274133

# Submission time Handle Problem Language Result Execution time Memory
274133 2020-08-19T08:41:54 Z 문홍윤(#5110) Mountains and Valleys (CCO20_day1problem3) C++17
5 / 25
 241 ms 13808 KB 
#include <bits/stdc++.h>
#define eb emplace_back
#define mp make_pair
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define svec(x) sort(x.begin(), x.end())
#define press(x) x.erase(unique(x.begin(), x.end()), x.end())
using namespace std;
typedef long long LL;
typedef pair<int, int> pii;
typedef pair<LL, LL> pll;
typedef pair<int, LL> pil;
typedef pair<LL, int> pli;
const LL llinf=2e18;
const int inf=1e9;

int n, m, r1, r2;
vector<int> link[500010];
vector<pair<pii, int> > edg;

struct SEC_MAX{
    int a[2];
    SEC_MAX(){a[0]=a[1]=-inf;}
    void in(int num){
        if(a[1]<=num){
            if(a[0]<=num){
                a[1]=a[0];
                a[0]=num;
            }
            else a[1]=num;
        }
    }
    int qu(int num){return a[0]==num?a[1]:a[0];}
};

int dis[500010], sp[500010][30], ans;

void dfs(int num, int par){
    dis[num]=dis[par]+1;
    sp[num][0]=par;
    for(auto i:link[num]){
        if(i==par)continue;
        dfs(i, num);
    }
}
int lca(int x, int y){
    if(dis[x]>dis[y])swap(x, y);
    for(int i=20; i>=0; i--){
        if(dis[y]-dis[x]>=(1<<i))y=sp[y][i];
    }
    if(x==y)return x;
    for(int i=20; i>=0; i--){
        if(sp[x][i]!=sp[y][i]){
            x=sp[x][i];
            y=sp[y][i];
        }
    }
    return sp[x][0];
}
int get_dist(int x, int y){return dis[x]+dis[y]-2*dis[lca(x, y)];}

int dis2[500010], p[500010];
void dfs2(int num, int par){
    dis2[num]=dis2[par]+1;
    p[num]=par;
    for(auto i:link[num]){
        if(i==par)continue;
        dfs2(i, num);
    }
}

vector<SEC_MAX> rt1;
int h[500010], th[500010];
bool ch[500010];
void dfs4(int num, int par, int val){
    th[num]=val;
    for(auto i:link[num]){
        if(i==par)continue;
        dfs4(i, num, val);
    }
}
void dfs3(int num, int par){
    SEC_MAX scmx;
    scmx.in(0);
    for(auto i:link[num]){
        if(i==par||ch[i])continue;
        dfs3(i, num);
        h[num]=max(h[num], h[i]+1);
    }
    if(ch[num])rt1.eb(scmx);
    int nw=rt1.size()-1;
    for(auto i:link[num]){
        if(i==par)continue;
        if(ch[i])dfs3(i, num);
        else if(ch[num]){
            rt1[nw].in(h[i]+1);
            dfs4(i, num, h[i]+1);
        }
    }
}
int pfmax[500010], sfmax[500010];
int query(int a, int b, int c, int d, int d1, int d2, int h1, int h2){
    int ret=0;
    pfmax[a]=d1-h1;
    for(int i=a+1; i<b; i++)pfmax[i]=max(pfmax[i-1], rt1[i].qu(-1)+i-a);
    sfmax[b]=d2-h2;
    for(int i=b-1; i>a; i--)sfmax[i]=max(sfmax[i+1], rt1[i].qu(-1)+b-i);
    for(int i=a; i<b; i++)ret=max(ret, pfmax[i]+sfmax[i+1]+2);
    for(int i=a+1; i<b; i++)ret=max(ret, rt1[i].qu(-1)+rt1[i].qu(rt1[i].qu(-1))+b-a);
    ret=max(ret, b+rt1[a].qu(th[c]));
    ret=max(ret, dis2[r2]-1-a+rt1[b].qu(th[d]));
    for(int i=a; i<=b; i++)pfmax[i]=sfmax[i]=0;
    return ret+h1+h2;
}
int main(){
    scanf("%d %d", &n, &m);
    for(int i=1; i<=m; i++){
        int a, b, c;
        scanf("%d %d %d", &a, &b, &c);
        a++; b++;
        if(c==1){
            link[a].eb(b);
            link[b].eb(a);
        }
        else edg.eb(mp(a, b), c);
    }
    dfs(1, 0);
    for(int j=1; j<=20; j++){
        for(int i=1; i<=n; i++)sp[i][j]=sp[sp[i][j-1]][j-1];
    }
    dfs2(1, 0);
    r1=max_element(dis2+1, dis2+n+1)-dis2;
    dfs2(r1, 0);
    r2=max_element(dis2+1, dis2+n+1)-dis2;
    int tmp=r2;
    while(tmp){
        ch[tmp]=true;
        tmp=p[tmp];
    }
    dfs3(r1, 0);
    ans=2*(n-1)-dis2[r2]+1;
    for(auto i:edg){
        int d=get_dist(i.F.F, i.F.S);
        if(d<=i.S)continue;
        int nd=2*(n-1)+i.S;
        int r1to1=get_dist(r1, i.F.F)+dis2[r2]-1-get_dist(r2, i.F.F);
        int r1to2=get_dist(r1, i.F.S)+dis2[r2]-1-get_dist(r2, i.F.S);
        r1to1/=2, r1to2/=2;
        if(r1to1>r1to2)swap(i.F.F, i.F.S);
        int d1=get_dist(r1, i.F.F);
        int d2=get_dist(r2, i.F.S);
        int h1=d1+get_dist(r2, i.F.F)-dis2[r2]+1;
        int h2=d2+get_dist(r1, i.F.S)-dis2[r2]+1;
        h1/=2; h2/=2;
        int mk1=d1-h1;
        int mk2=dis2[r2]-1-d2+h2;
        ans=min(ans, nd-query(mk1, mk2, i.F.F, i.F.S, d1, d2, h1, h2));
    }
    printf("%d", ans);
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:117:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  117 |     scanf("%d %d", &n, &m);
      |     ~~~~~^~~~~~~~~~~~~~~~~
Main.cpp:120:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  120 |         scanf("%d %d %d", &a, &b, &c);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 12160 KB Output is correct
2 Correct 11 ms 12160 KB Output is correct
3 Correct 10 ms 12160 KB Output is correct
4 Correct 8 ms 12160 KB Output is correct
5 Correct 8 ms 12160 KB Output is correct
6 Correct 8 ms 12160 KB Output is correct
7 Correct 8 ms 12160 KB Output is correct
8 Correct 8 ms 12160 KB Output is correct
9 Correct 9 ms 12160 KB Output is correct
10 Correct 9 ms 12160 KB Output is correct
11 Correct 8 ms 12160 KB Output is correct
12 Correct 9 ms 12160 KB Output is correct
13 Correct 9 ms 12160 KB Output is correct
14 Correct 8 ms 12160 KB Output is correct
15 Correct 9 ms 12160 KB Output is correct

Subtask #2
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 12160 KB Output is correct
2 Correct 11 ms 12160 KB Output is correct
3 Correct 10 ms 12160 KB Output is correct
4 Correct 8 ms 12160 KB Output is correct
5 Correct 8 ms 12160 KB Output is correct
6 Correct 8 ms 12160 KB Output is correct
7 Correct 8 ms 12160 KB Output is correct
8 Correct 8 ms 12160 KB Output is correct
9 Correct 9 ms 12160 KB Output is correct
10 Correct 9 ms 12160 KB Output is correct
11 Correct 8 ms 12160 KB Output is correct
12 Correct 9 ms 12160 KB Output is correct
13 Correct 9 ms 12160 KB Output is correct
14 Correct 8 ms 12160 KB Output is correct
15 Correct 9 ms 12160 KB Output is correct
16 Correct 8 ms 12160 KB Output is correct
17 Correct 15 ms 12160 KB Output is correct
18 Correct 9 ms 12160 KB Output is correct
19 Correct 9 ms 12160 KB Output is correct
20 Correct 15 ms 12160 KB Output is correct
21 Correct 15 ms 12160 KB Output is correct
22 Correct 8 ms 12160 KB Output is correct
23 Correct 15 ms 12160 KB Output is correct
24 Correct 9 ms 12160 KB Output is correct
25 Correct 14 ms 12160 KB Output is correct
26 Correct 8 ms 12160 KB Output is correct
27 Correct 8 ms 12160 KB Output is correct
28 Correct 8 ms 12160 KB Output is correct
29 Correct 10 ms 12288 KB Output is correct
30 Correct 11 ms 12160 KB Output is correct
31 Correct 15 ms 12160 KB Output is correct
32 Correct 8 ms 12160 KB Output is correct
33 Correct 15 ms 12160 KB Output is correct
34 Correct 8 ms 12160 KB Output is correct
35 Correct 9 ms 12160 KB Output is correct

Subtask #3
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 191 ms 13568 KB Output is correct
2 Correct 230 ms 13772 KB Output is correct
3 Correct 201 ms 13616 KB Output is correct
4 Correct 16 ms 13412 KB Output is correct
5 Correct 16 ms 13440 KB Output is correct
6 Correct 14 ms 13184 KB Output is correct
7 Correct 241 ms 13808 KB Output is correct
8 Correct 179 ms 13568 KB Output is correct
9 Correct 194 ms 13696 KB Output is correct
10 Correct 16 ms 13440 KB Output is correct
11 Correct 44 ms 13612 KB Output is correct
12 Correct 15 ms 13440 KB Output is correct
13 Correct 44 ms 13568 KB Output is correct
14 Correct 40 ms 13688 KB Output is correct

Subtask #4
0.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 12160 KB Output is correct
2 Correct 11 ms 12160 KB Output is correct
3 Correct 10 ms 12160 KB Output is correct
4 Correct 8 ms 12160 KB Output is correct
5 Correct 8 ms 12160 KB Output is correct
6 Correct 8 ms 12160 KB Output is correct
7 Correct 8 ms 12160 KB Output is correct
8 Correct 8 ms 12160 KB Output is correct
9 Correct 9 ms 12160 KB Output is correct
10 Correct 9 ms 12160 KB Output is correct
11 Correct 8 ms 12160 KB Output is correct
12 Correct 9 ms 12160 KB Output is correct
13 Correct 9 ms 12160 KB Output is correct
14 Correct 8 ms 12160 KB Output is correct
15 Correct 9 ms 12160 KB Output is correct
16 Correct 8 ms 12160 KB Output is correct
17 Correct 15 ms 12160 KB Output is correct
18 Correct 9 ms 12160 KB Output is correct
19 Correct 9 ms 12160 KB Output is correct
20 Correct 15 ms 12160 KB Output is correct
21 Correct 15 ms 12160 KB Output is correct
22 Correct 8 ms 12160 KB Output is correct
23 Correct 15 ms 12160 KB Output is correct
24 Correct 9 ms 12160 KB Output is correct
25 Correct 14 ms 12160 KB Output is correct
26 Correct 8 ms 12160 KB Output is correct
27 Correct 8 ms 12160 KB Output is correct
28 Correct 8 ms 12160 KB Output is correct
29 Correct 10 ms 12288 KB Output is correct
30 Correct 11 ms 12160 KB Output is correct
31 Correct 15 ms 12160 KB Output is correct
32 Correct 8 ms 12160 KB Output is correct
33 Correct 15 ms 12160 KB Output is correct
34 Correct 8 ms 12160 KB Output is correct
35 Correct 9 ms 12160 KB Output is correct
36 Correct 10 ms 12288 KB Output is correct
37 Correct 9 ms 12160 KB Output is correct
38 Correct 9 ms 12160 KB Output is correct
39 Correct 9 ms 12160 KB Output is correct
40 Correct 9 ms 12160 KB Output is correct
41 Correct 9 ms 12160 KB Output is correct
42 Correct 9 ms 12160 KB Output is correct
43 Correct 9 ms 12160 KB Output is correct
44 Correct 9 ms 12160 KB Output is correct
45 Correct 8 ms 12160 KB Output is correct
46 Incorrect 11 ms 12160 KB Output isn't correct
47 Halted 0 ms 0 KB -

Subtask #5
0.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 12160 KB Output is correct
2 Correct 11 ms 12160 KB Output is correct
3 Correct 10 ms 12160 KB Output is correct
4 Correct 8 ms 12160 KB Output is correct
5 Correct 8 ms 12160 KB Output is correct
6 Correct 8 ms 12160 KB Output is correct
7 Correct 8 ms 12160 KB Output is correct
8 Correct 8 ms 12160 KB Output is correct
9 Correct 9 ms 12160 KB Output is correct
10 Correct 9 ms 12160 KB Output is correct
11 Correct 8 ms 12160 KB Output is correct
12 Correct 9 ms 12160 KB Output is correct
13 Correct 9 ms 12160 KB Output is correct
14 Correct 8 ms 12160 KB Output is correct
15 Correct 9 ms 12160 KB Output is correct
16 Correct 8 ms 12160 KB Output is correct
17 Correct 15 ms 12160 KB Output is correct
18 Correct 9 ms 12160 KB Output is correct
19 Correct 9 ms 12160 KB Output is correct
20 Correct 15 ms 12160 KB Output is correct
21 Correct 15 ms 12160 KB Output is correct
22 Correct 8 ms 12160 KB Output is correct
23 Correct 15 ms 12160 KB Output is correct
24 Correct 9 ms 12160 KB Output is correct
25 Correct 14 ms 12160 KB Output is correct
26 Correct 8 ms 12160 KB Output is correct
27 Correct 8 ms 12160 KB Output is correct
28 Correct 8 ms 12160 KB Output is correct
29 Correct 10 ms 12288 KB Output is correct
30 Correct 11 ms 12160 KB Output is correct
31 Correct 15 ms 12160 KB Output is correct
32 Correct 8 ms 12160 KB Output is correct
33 Correct 15 ms 12160 KB Output is correct
34 Correct 8 ms 12160 KB Output is correct
35 Correct 9 ms 12160 KB Output is correct
36 Correct 10 ms 12288 KB Output is correct
37 Correct 9 ms 12160 KB Output is correct
38 Correct 9 ms 12160 KB Output is correct
39 Correct 9 ms 12160 KB Output is correct
40 Correct 9 ms 12160 KB Output is correct
41 Correct 9 ms 12160 KB Output is correct
42 Correct 9 ms 12160 KB Output is correct
43 Correct 9 ms 12160 KB Output is correct
44 Correct 9 ms 12160 KB Output is correct
45 Correct 8 ms 12160 KB Output is correct
46 Incorrect 11 ms 12160 KB Output isn't correct
47 Halted 0 ms 0 KB -

Subtask #6
0.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 12160 KB Output is correct
2 Correct 11 ms 12160 KB Output is correct
3 Correct 10 ms 12160 KB Output is correct
4 Correct 8 ms 12160 KB Output is correct
5 Correct 8 ms 12160 KB Output is correct
6 Correct 8 ms 12160 KB Output is correct
7 Correct 8 ms 12160 KB Output is correct
8 Correct 8 ms 12160 KB Output is correct
9 Correct 9 ms 12160 KB Output is correct
10 Correct 9 ms 12160 KB Output is correct
11 Correct 8 ms 12160 KB Output is correct
12 Correct 9 ms 12160 KB Output is correct
13 Correct 9 ms 12160 KB Output is correct
14 Correct 8 ms 12160 KB Output is correct
15 Correct 9 ms 12160 KB Output is correct
16 Correct 8 ms 12160 KB Output is correct
17 Correct 15 ms 12160 KB Output is correct
18 Correct 9 ms 12160 KB Output is correct
19 Correct 9 ms 12160 KB Output is correct
20 Correct 15 ms 12160 KB Output is correct
21 Correct 15 ms 12160 KB Output is correct
22 Correct 8 ms 12160 KB Output is correct
23 Correct 15 ms 12160 KB Output is correct
24 Correct 9 ms 12160 KB Output is correct
25 Correct 14 ms 12160 KB Output is correct
26 Correct 8 ms 12160 KB Output is correct
27 Correct 8 ms 12160 KB Output is correct
28 Correct 8 ms 12160 KB Output is correct
29 Correct 10 ms 12288 KB Output is correct
30 Correct 11 ms 12160 KB Output is correct
31 Correct 15 ms 12160 KB Output is correct
32 Correct 8 ms 12160 KB Output is correct
33 Correct 15 ms 12160 KB Output is correct
34 Correct 8 ms 12160 KB Output is correct
35 Correct 9 ms 12160 KB Output is correct
36 Correct 191 ms 13568 KB Output is correct
37 Correct 230 ms 13772 KB Output is correct
38 Correct 201 ms 13616 KB Output is correct
39 Correct 16 ms 13412 KB Output is correct
40 Correct 16 ms 13440 KB Output is correct
41 Correct 14 ms 13184 KB Output is correct
42 Correct 241 ms 13808 KB Output is correct
43 Correct 179 ms 13568 KB Output is correct
44 Correct 194 ms 13696 KB Output is correct
45 Correct 16 ms 13440 KB Output is correct
46 Correct 44 ms 13612 KB Output is correct
47 Correct 15 ms 13440 KB Output is correct
48 Correct 44 ms 13568 KB Output is correct
49 Correct 40 ms 13688 KB Output is correct
50 Correct 10 ms 12288 KB Output is correct
51 Correct 9 ms 12160 KB Output is correct
52 Correct 9 ms 12160 KB Output is correct
53 Correct 9 ms 12160 KB Output is correct
54 Correct 9 ms 12160 KB Output is correct
55 Correct 9 ms 12160 KB Output is correct
56 Correct 9 ms 12160 KB Output is correct
57 Correct 9 ms 12160 KB Output is correct
58 Correct 9 ms 12160 KB Output is correct
59 Correct 8 ms 12160 KB Output is correct
60 Incorrect 11 ms 12160 KB Output isn't correct
61 Halted 0 ms 0 KB -

Subtask #7
0.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 12160 KB Output is correct
2 Correct 11 ms 12160 KB Output is correct
3 Correct 10 ms 12160 KB Output is correct
4 Correct 8 ms 12160 KB Output is correct
5 Correct 8 ms 12160 KB Output is correct
6 Correct 8 ms 12160 KB Output is correct
7 Correct 8 ms 12160 KB Output is correct
8 Correct 8 ms 12160 KB Output is correct
9 Correct 9 ms 12160 KB Output is correct
10 Correct 9 ms 12160 KB Output is correct
11 Correct 8 ms 12160 KB Output is correct
12 Correct 9 ms 12160 KB Output is correct
13 Correct 9 ms 12160 KB Output is correct
14 Correct 8 ms 12160 KB Output is correct
15 Correct 9 ms 12160 KB Output is correct
16 Correct 8 ms 12160 KB Output is correct
17 Correct 15 ms 12160 KB Output is correct
18 Correct 9 ms 12160 KB Output is correct
19 Correct 9 ms 12160 KB Output is correct
20 Correct 15 ms 12160 KB Output is correct
21 Correct 15 ms 12160 KB Output is correct
22 Correct 8 ms 12160 KB Output is correct
23 Correct 15 ms 12160 KB Output is correct
24 Correct 9 ms 12160 KB Output is correct
25 Correct 14 ms 12160 KB Output is correct
26 Correct 8 ms 12160 KB Output is correct
27 Correct 8 ms 12160 KB Output is correct
28 Correct 8 ms 12160 KB Output is correct
29 Correct 10 ms 12288 KB Output is correct
30 Correct 11 ms 12160 KB Output is correct
31 Correct 15 ms 12160 KB Output is correct
32 Correct 8 ms 12160 KB Output is correct
33 Correct 15 ms 12160 KB Output is correct
34 Correct 8 ms 12160 KB Output is correct
35 Correct 9 ms 12160 KB Output is correct
36 Correct 191 ms 13568 KB Output is correct
37 Correct 230 ms 13772 KB Output is correct
38 Correct 201 ms 13616 KB Output is correct
39 Correct 16 ms 13412 KB Output is correct
40 Correct 16 ms 13440 KB Output is correct
41 Correct 14 ms 13184 KB Output is correct
42 Correct 241 ms 13808 KB Output is correct
43 Correct 179 ms 13568 KB Output is correct
44 Correct 194 ms 13696 KB Output is correct
45 Correct 16 ms 13440 KB Output is correct
46 Correct 44 ms 13612 KB Output is correct
47 Correct 15 ms 13440 KB Output is correct
48 Correct 44 ms 13568 KB Output is correct
49 Correct 40 ms 13688 KB Output is correct
50 Correct 10 ms 12288 KB Output is correct
51 Correct 9 ms 12160 KB Output is correct
52 Correct 9 ms 12160 KB Output is correct
53 Correct 9 ms 12160 KB Output is correct
54 Correct 9 ms 12160 KB Output is correct
55 Correct 9 ms 12160 KB Output is correct
56 Correct 9 ms 12160 KB Output is correct
57 Correct 9 ms 12160 KB Output is correct
58 Correct 9 ms 12160 KB Output is correct
59 Correct 8 ms 12160 KB Output is correct
60 Incorrect 11 ms 12160 KB Output isn't correct
61 Halted 0 ms 0 KB -

Subtask #8
0.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 12160 KB Output is correct
2 Correct 11 ms 12160 KB Output is correct
3 Correct 10 ms 12160 KB Output is correct
4 Correct 8 ms 12160 KB Output is correct
5 Correct 8 ms 12160 KB Output is correct
6 Correct 8 ms 12160 KB Output is correct
7 Correct 8 ms 12160 KB Output is correct
8 Correct 8 ms 12160 KB Output is correct
9 Correct 9 ms 12160 KB Output is correct
10 Correct 9 ms 12160 KB Output is correct
11 Correct 8 ms 12160 KB Output is correct
12 Correct 9 ms 12160 KB Output is correct
13 Correct 9 ms 12160 KB Output is correct
14 Correct 8 ms 12160 KB Output is correct
15 Correct 9 ms 12160 KB Output is correct
16 Correct 8 ms 12160 KB Output is correct
17 Correct 15 ms 12160 KB Output is correct
18 Correct 9 ms 12160 KB Output is correct
19 Correct 9 ms 12160 KB Output is correct
20 Correct 15 ms 12160 KB Output is correct
21 Correct 15 ms 12160 KB Output is correct
22 Correct 8 ms 12160 KB Output is correct
23 Correct 15 ms 12160 KB Output is correct
24 Correct 9 ms 12160 KB Output is correct
25 Correct 14 ms 12160 KB Output is correct
26 Correct 8 ms 12160 KB Output is correct
27 Correct 8 ms 12160 KB Output is correct
28 Correct 8 ms 12160 KB Output is correct
29 Correct 10 ms 12288 KB Output is correct
30 Correct 11 ms 12160 KB Output is correct
31 Correct 15 ms 12160 KB Output is correct
32 Correct 8 ms 12160 KB Output is correct
33 Correct 15 ms 12160 KB Output is correct
34 Correct 8 ms 12160 KB Output is correct
35 Correct 9 ms 12160 KB Output is correct
36 Correct 191 ms 13568 KB Output is correct
37 Correct 230 ms 13772 KB Output is correct
38 Correct 201 ms 13616 KB Output is correct
39 Correct 16 ms 13412 KB Output is correct
40 Correct 16 ms 13440 KB Output is correct
41 Correct 14 ms 13184 KB Output is correct
42 Correct 241 ms 13808 KB Output is correct
43 Correct 179 ms 13568 KB Output is correct
44 Correct 194 ms 13696 KB Output is correct
45 Correct 16 ms 13440 KB Output is correct
46 Correct 44 ms 13612 KB Output is correct
47 Correct 15 ms 13440 KB Output is correct
48 Correct 44 ms 13568 KB Output is correct
49 Correct 40 ms 13688 KB Output is correct
50 Correct 10 ms 12288 KB Output is correct
51 Correct 9 ms 12160 KB Output is correct
52 Correct 9 ms 12160 KB Output is correct
53 Correct 9 ms 12160 KB Output is correct
54 Correct 9 ms 12160 KB Output is correct
55 Correct 9 ms 12160 KB Output is correct
56 Correct 9 ms 12160 KB Output is correct
57 Correct 9 ms 12160 KB Output is correct
58 Correct 9 ms 12160 KB Output is correct
59 Correct 8 ms 12160 KB Output is correct
60 Incorrect 11 ms 12160 KB Output isn't correct
61 Halted 0 ms 0 KB -