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Submission #925710

# Submission time Handle Problem Language Result Execution time Memory
925710 2024-02-12T07:46:33 Z Amr Bliskost (COI23_bliskost) C++14
100 / 100
 148 ms 16576 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
#define S second
#define F first
#define all(x) (x).begin(),(x).end()
#define sz size()
#define Yes cout << "YES" << endl
#define No cout << "NO" << endl
#define pb(x) push_back(x);
#define endl '\n'
#define fast ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
const int N=3e5+7;
ll INF=INT_MAX,mod=1e9+7;
int TT=1;
ll power(ll x, unsigned int y)
{
    ll res = 1;
    x = x; // % mod;
    if (x == 0) return 0;
    while (y > 0)
    {
        if (y & 1) res = (res*x)  ; // % mod;
        y = y>>1;
        x = (x*x) ; // % mod;
    }
    return res;
}
string d[] = {"ne","da"};
void solve()
{
    int n , q; cin >> n >> q;
    string a, b; cin >> a >> b;
    ll sum = 0;
    bool bb = !(n&1);
    for(int i = 0; i < n; i++)
    {
        if((i%2)^bb) sum+=int(b[i]-a[i]);
        else sum-=int(b[i]-a[i]);
    }
    cout << d[(abs(sum)%26)==0] << endl;
    while(q--)
    {
        ll x; char c;
        cin >> x; cin >> c; x--;
        bool aa = ((x%2)^bb);
        if(aa) {sum-=int(b[x]-a[x]); a[x] = c; sum+=int(b[x]-a[x]);}
        else {sum+=int(b[x]-a[x]); a[x] = c; sum-=int(b[x]-a[x]);}
        cout << d[(abs(sum)%26)==0] << endl;
    }

}
int main(){
    //freopen("friday.in","r",stdin);
    //freopen("friday.out","w",stdout);
    fast;
    while(TT--)
        solve();

    return 0;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 360 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 512 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 360 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 512 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 360 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 512 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 4 ms 2808 KB Output is correct
32 Correct 4 ms 2808 KB Output is correct
33 Correct 6 ms 2808 KB Output is correct
34 Correct 4 ms 2808 KB Output is correct
35 Correct 4 ms 2808 KB Output is correct
36 Correct 4 ms 2808 KB Output is correct
37 Correct 5 ms 2804 KB Output is correct
38 Correct 4 ms 2808 KB Output is correct
39 Correct 4 ms 2808 KB Output is correct
40 Correct 4 ms 2808 KB Output is correct
41 Correct 5 ms 2808 KB Output is correct
42 Correct 5 ms 2808 KB Output is correct
43 Correct 6 ms 2936 KB Output is correct
44 Correct 4 ms 2808 KB Output is correct
45 Correct 4 ms 2808 KB Output is correct

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 360 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 512 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 11 ms 604 KB Output is correct
17 Correct 11 ms 604 KB Output is correct
18 Correct 11 ms 600 KB Output is correct
19 Correct 12 ms 856 KB Output is correct
20 Correct 11 ms 604 KB Output is correct
21 Correct 11 ms 600 KB Output is correct
22 Correct 11 ms 600 KB Output is correct
23 Correct 11 ms 716 KB Output is correct
24 Correct 11 ms 712 KB Output is correct
25 Correct 11 ms 600 KB Output is correct
26 Correct 11 ms 600 KB Output is correct
27 Correct 11 ms 600 KB Output is correct
28 Correct 11 ms 604 KB Output is correct
29 Correct 11 ms 604 KB Output is correct
30 Correct 11 ms 600 KB Output is correct

Subtask #5
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 360 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 512 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 11 ms 604 KB Output is correct
32 Correct 11 ms 604 KB Output is correct
33 Correct 11 ms 600 KB Output is correct
34 Correct 12 ms 856 KB Output is correct
35 Correct 11 ms 604 KB Output is correct
36 Correct 11 ms 600 KB Output is correct
37 Correct 11 ms 600 KB Output is correct
38 Correct 11 ms 716 KB Output is correct
39 Correct 11 ms 712 KB Output is correct
40 Correct 11 ms 600 KB Output is correct
41 Correct 11 ms 600 KB Output is correct
42 Correct 11 ms 600 KB Output is correct
43 Correct 11 ms 604 KB Output is correct
44 Correct 11 ms 604 KB Output is correct
45 Correct 11 ms 600 KB Output is correct
46 Correct 12 ms 600 KB Output is correct
47 Correct 12 ms 600 KB Output is correct
48 Correct 12 ms 596 KB Output is correct
49 Correct 12 ms 604 KB Output is correct
50 Correct 12 ms 600 KB Output is correct
51 Correct 12 ms 604 KB Output is correct
52 Correct 12 ms 604 KB Output is correct
53 Correct 12 ms 604 KB Output is correct
54 Correct 12 ms 604 KB Output is correct
55 Correct 12 ms 604 KB Output is correct
56 Correct 12 ms 604 KB Output is correct
57 Correct 12 ms 604 KB Output is correct
58 Correct 12 ms 604 KB Output is correct
59 Correct 12 ms 604 KB Output is correct
60 Correct 12 ms 636 KB Output is correct

Subtask #6
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 360 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 512 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 4 ms 2808 KB Output is correct
32 Correct 4 ms 2808 KB Output is correct
33 Correct 6 ms 2808 KB Output is correct
34 Correct 4 ms 2808 KB Output is correct
35 Correct 4 ms 2808 KB Output is correct
36 Correct 4 ms 2808 KB Output is correct
37 Correct 5 ms 2804 KB Output is correct
38 Correct 4 ms 2808 KB Output is correct
39 Correct 4 ms 2808 KB Output is correct
40 Correct 4 ms 2808 KB Output is correct
41 Correct 5 ms 2808 KB Output is correct
42 Correct 5 ms 2808 KB Output is correct
43 Correct 6 ms 2936 KB Output is correct
44 Correct 4 ms 2808 KB Output is correct
45 Correct 4 ms 2808 KB Output is correct
46 Correct 11 ms 604 KB Output is correct
47 Correct 11 ms 604 KB Output is correct
48 Correct 11 ms 600 KB Output is correct
49 Correct 12 ms 856 KB Output is correct
50 Correct 11 ms 604 KB Output is correct
51 Correct 11 ms 600 KB Output is correct
52 Correct 11 ms 600 KB Output is correct
53 Correct 11 ms 716 KB Output is correct
54 Correct 11 ms 712 KB Output is correct
55 Correct 11 ms 600 KB Output is correct
56 Correct 11 ms 600 KB Output is correct
57 Correct 11 ms 600 KB Output is correct
58 Correct 11 ms 604 KB Output is correct
59 Correct 11 ms 604 KB Output is correct
60 Correct 11 ms 600 KB Output is correct
61 Correct 12 ms 600 KB Output is correct
62 Correct 12 ms 600 KB Output is correct
63 Correct 12 ms 596 KB Output is correct
64 Correct 12 ms 604 KB Output is correct
65 Correct 12 ms 600 KB Output is correct
66 Correct 12 ms 604 KB Output is correct
67 Correct 12 ms 604 KB Output is correct
68 Correct 12 ms 604 KB Output is correct
69 Correct 12 ms 604 KB Output is correct
70 Correct 12 ms 604 KB Output is correct
71 Correct 12 ms 604 KB Output is correct
72 Correct 12 ms 604 KB Output is correct
73 Correct 12 ms 604 KB Output is correct
74 Correct 12 ms 604 KB Output is correct
75 Correct 12 ms 636 KB Output is correct
76 Correct 135 ms 14036 KB Output is correct
77 Correct 140 ms 16400 KB Output is correct
78 Correct 143 ms 16292 KB Output is correct
79 Correct 134 ms 15992 KB Output is correct
80 Correct 148 ms 16152 KB Output is correct
81 Correct 137 ms 16004 KB Output is correct
82 Correct 137 ms 16000 KB Output is correct
83 Correct 135 ms 16120 KB Output is correct
84 Correct 136 ms 16156 KB Output is correct
85 Correct 140 ms 16576 KB Output is correct
86 Correct 139 ms 16364 KB Output is correct
87 Correct 140 ms 16344 KB Output is correct
88 Correct 134 ms 16556 KB Output is correct
89 Correct 136 ms 16000 KB Output is correct
90 Correct 144 ms 16400 KB Output is correct