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Submission #818594

# Submission time Handle Problem Language Result Execution time Memory
818594 2023-08-10T05:39:46 Z 반딧불(#10131) Fish 2 (JOI22_fish2) C++17
25 / 100
 4000 ms 3648 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
const ll INF = 1e18;

int n, q;
ll arr[100002];
ll sum[100002];
ll chk[100002];

void solve(int s, int e){
    for(int i=1; i<=n; i++) sum[i] = sum[i-1] + arr[i], chk[i] = 0;
    vector<pair<int, ll> > vec;
    vec.push_back(make_pair(s-1, INF));
    for(int i=s; i<=e+1; i++){
        while(!vec.empty() && vec.back().second <= (i==e+1?INF:arr[i])){
            int l = vec.back().first, r = i;
            if(l==s-1 && r==e+1) break;
            vec.pop_back();
            if(sum[r-1] - sum[l] < min(l==s-1?INF:arr[l], r==e+1?INF:arr[r])) chk[l+1]++, chk[r]--;
        }
        int l = vec.back().first, r = i;
        if(!(l==s-1 && r==e+1) && sum[r-1] - sum[l] < min(l==s-1?INF:arr[l], r==e+1?INF:arr[r]))
            chk[l+1]++, chk[r]--;
        vec.push_back(make_pair(i, arr[i]));
    }
    for(int i=1; i<=n; i++) chk[i] += chk[i-1];
    int ret = 0;
    for(int i=s; i<=e; i++) if(!chk[i]) ret++;
    printf("%d\n", ret);
}

int main(){
    scanf("%d", &n);
    for(int i=1; i<=n; i++) scanf("%lld", &arr[i]);
    scanf("%d", &q);
    for(int i=1; i<=q; i++){
        int t, x, y;
        scanf("%d %d %d", &t, &x, &y);
        if(t==1) arr[x] = y;
        else solve(x, y);
    }
}

Compilation message

fish2.cpp: In function 'int main()':
fish2.cpp:36:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   36 |     scanf("%d", &n);
      |     ~~~~~^~~~~~~~~~
fish2.cpp:37:34: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   37 |     for(int i=1; i<=n; i++) scanf("%lld", &arr[i]);
      |                             ~~~~~^~~~~~~~~~~~~~~~~
fish2.cpp:38:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   38 |     scanf("%d", &q);
      |     ~~~~~^~~~~~~~~~
fish2.cpp:41:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   41 |         scanf("%d %d %d", &t, &x, &y);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 2 ms 312 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 2 ms 212 KB Output is correct
9 Correct 3 ms 212 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 3 ms 340 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 3 ms 212 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 3 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 3 ms 212 KB Output is correct
19 Correct 2 ms 312 KB Output is correct
20 Correct 5 ms 212 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 308 KB Output is correct
2 Correct 11 ms 3156 KB Output is correct
3 Correct 10 ms 2900 KB Output is correct
4 Correct 11 ms 3164 KB Output is correct
5 Correct 14 ms 2900 KB Output is correct
6 Correct 12 ms 3540 KB Output is correct
7 Correct 10 ms 2760 KB Output is correct
8 Correct 12 ms 3616 KB Output is correct
9 Correct 15 ms 2772 KB Output is correct
10 Correct 12 ms 3136 KB Output is correct
11 Correct 11 ms 2900 KB Output is correct
12 Correct 13 ms 2904 KB Output is correct
13 Correct 10 ms 2884 KB Output is correct
14 Correct 16 ms 3156 KB Output is correct
15 Correct 11 ms 3160 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 2 ms 312 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 2 ms 212 KB Output is correct
9 Correct 3 ms 212 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 3 ms 340 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 3 ms 212 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 3 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 3 ms 212 KB Output is correct
19 Correct 2 ms 312 KB Output is correct
20 Correct 5 ms 212 KB Output is correct
21 Correct 0 ms 308 KB Output is correct
22 Correct 11 ms 3156 KB Output is correct
23 Correct 10 ms 2900 KB Output is correct
24 Correct 11 ms 3164 KB Output is correct
25 Correct 14 ms 2900 KB Output is correct
26 Correct 12 ms 3540 KB Output is correct
27 Correct 10 ms 2760 KB Output is correct
28 Correct 12 ms 3616 KB Output is correct
29 Correct 15 ms 2772 KB Output is correct
30 Correct 12 ms 3136 KB Output is correct
31 Correct 11 ms 2900 KB Output is correct
32 Correct 13 ms 2904 KB Output is correct
33 Correct 10 ms 2884 KB Output is correct
34 Correct 16 ms 3156 KB Output is correct
35 Correct 11 ms 3160 KB Output is correct
36 Correct 484 ms 3220 KB Output is correct
37 Correct 717 ms 2980 KB Output is correct
38 Correct 871 ms 2976 KB Output is correct
39 Correct 210 ms 3156 KB Output is correct
40 Correct 918 ms 2984 KB Output is correct
41 Correct 831 ms 3612 KB Output is correct
42 Correct 983 ms 3608 KB Output is correct
43 Correct 752 ms 2852 KB Output is correct
44 Correct 926 ms 2852 KB Output is correct
45 Correct 485 ms 3208 KB Output is correct
46 Correct 674 ms 3216 KB Output is correct
47 Correct 931 ms 2920 KB Output is correct
48 Correct 311 ms 2892 KB Output is correct
49 Correct 997 ms 2900 KB Output is correct
50 Correct 519 ms 3244 KB Output is correct
51 Correct 1606 ms 3248 KB Output is correct
52 Correct 1886 ms 3244 KB Output is correct

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 308 KB Output is correct
2 Correct 11 ms 3156 KB Output is correct
3 Correct 10 ms 2900 KB Output is correct
4 Correct 11 ms 3164 KB Output is correct
5 Correct 14 ms 2900 KB Output is correct
6 Correct 12 ms 3540 KB Output is correct
7 Correct 10 ms 2760 KB Output is correct
8 Correct 12 ms 3616 KB Output is correct
9 Correct 15 ms 2772 KB Output is correct
10 Correct 12 ms 3136 KB Output is correct
11 Correct 11 ms 2900 KB Output is correct
12 Correct 13 ms 2904 KB Output is correct
13 Correct 10 ms 2884 KB Output is correct
14 Correct 16 ms 3156 KB Output is correct
15 Correct 11 ms 3160 KB Output is correct
16 Correct 0 ms 304 KB Output is correct
17 Execution timed out 4051 ms 3388 KB Time limit exceeded
18 Halted 0 ms 0 KB -

Subtask #5
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 308 KB Output is correct
2 Correct 11 ms 3156 KB Output is correct
3 Correct 10 ms 2900 KB Output is correct
4 Correct 11 ms 3164 KB Output is correct
5 Correct 14 ms 2900 KB Output is correct
6 Correct 12 ms 3540 KB Output is correct
7 Correct 10 ms 2760 KB Output is correct
8 Correct 12 ms 3616 KB Output is correct
9 Correct 15 ms 2772 KB Output is correct
10 Correct 12 ms 3136 KB Output is correct
11 Correct 11 ms 2900 KB Output is correct
12 Correct 13 ms 2904 KB Output is correct
13 Correct 10 ms 2884 KB Output is correct
14 Correct 16 ms 3156 KB Output is correct
15 Correct 11 ms 3160 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Execution timed out 4067 ms 3648 KB Time limit exceeded
18 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 2 ms 312 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 2 ms 212 KB Output is correct
9 Correct 3 ms 212 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 3 ms 340 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 3 ms 212 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 3 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 3 ms 212 KB Output is correct
19 Correct 2 ms 312 KB Output is correct
20 Correct 5 ms 212 KB Output is correct
21 Correct 0 ms 308 KB Output is correct
22 Correct 11 ms 3156 KB Output is correct
23 Correct 10 ms 2900 KB Output is correct
24 Correct 11 ms 3164 KB Output is correct
25 Correct 14 ms 2900 KB Output is correct
26 Correct 12 ms 3540 KB Output is correct
27 Correct 10 ms 2760 KB Output is correct
28 Correct 12 ms 3616 KB Output is correct
29 Correct 15 ms 2772 KB Output is correct
30 Correct 12 ms 3136 KB Output is correct
31 Correct 11 ms 2900 KB Output is correct
32 Correct 13 ms 2904 KB Output is correct
33 Correct 10 ms 2884 KB Output is correct
34 Correct 16 ms 3156 KB Output is correct
35 Correct 11 ms 3160 KB Output is correct
36 Correct 484 ms 3220 KB Output is correct
37 Correct 717 ms 2980 KB Output is correct
38 Correct 871 ms 2976 KB Output is correct
39 Correct 210 ms 3156 KB Output is correct
40 Correct 918 ms 2984 KB Output is correct
41 Correct 831 ms 3612 KB Output is correct
42 Correct 983 ms 3608 KB Output is correct
43 Correct 752 ms 2852 KB Output is correct
44 Correct 926 ms 2852 KB Output is correct
45 Correct 485 ms 3208 KB Output is correct
46 Correct 674 ms 3216 KB Output is correct
47 Correct 931 ms 2920 KB Output is correct
48 Correct 311 ms 2892 KB Output is correct
49 Correct 997 ms 2900 KB Output is correct
50 Correct 519 ms 3244 KB Output is correct
51 Correct 1606 ms 3248 KB Output is correct
52 Correct 1886 ms 3244 KB Output is correct
53 Correct 0 ms 304 KB Output is correct
54 Execution timed out 4051 ms 3388 KB Time limit exceeded
55 Halted 0 ms 0 KB -