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Submission #191329

# Submission time Handle Problem Language Result Execution time Memory
191329 2020-01-14T16:41:26 Z Akashi Foehn Phenomena (JOI17_foehn_phenomena) C++14
100 / 100
 188 ms 12424 KB 
#include <bits/stdc++.h>
using namespace std;

int n, q, s, t;
int x[200005];

long long deg;
long long d[200005];

int main()
{
    scanf("%d%d%d%d", &n, &q, &s, &t);

    for(int i = 1; i <= n + 1 ; ++i) scanf("%d", &x[i]);

    for(int i = 1; i <= n ; ++i){
        d[i] = x[i] - x[i + 1];
        if(d[i] >= 0) deg += 1LL * t * d[i];
        else deg += 1LL * s * d[i];
    }

    int l, r, val;
    for(int i = 1; i <= q ; ++i){
        scanf("%d%d%d", &l, &r, &val);
        ++l; ++r;
        if(l > 1){
            if(d[l - 1] >= 0) deg -= 1LL * t * d[l - 1];
            else deg -= 1LL * s * d[l - 1];
            d[l - 1] -= val;
            if(d[l - 1] >= 0) deg += 1LL * t * d[l - 1];
            else deg += 1LL * s * d[l - 1];
        }
        if(r <= n){
            if(d[r] >= 0) deg -= 1LL * t * d[r];
            else deg -= 1LL * s * d[r];
            d[r] += val;
            if(d[r] >= 0) deg += 1LL * t * d[r];
            else deg += 1LL * s * d[r];
        }
        printf("%lld\n", deg);
    }

    return 0;
}

Compilation message

foehn_phenomena.cpp: In function 'int main()':
foehn_phenomena.cpp:12:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d%d%d", &n, &q, &s, &t);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
foehn_phenomena.cpp:14:43: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(int i = 1; i <= n + 1 ; ++i) scanf("%d", &x[i]);
                                      ~~~~~^~~~~~~~~~~~~
foehn_phenomena.cpp:24:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d%d", &l, &r, &val);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 376 KB Output is correct
2 Correct 4 ms 376 KB Output is correct
3 Correct 5 ms 504 KB Output is correct
4 Correct 1 ms 376 KB Output is correct
5 Correct 4 ms 504 KB Output is correct
6 Correct 4 ms 376 KB Output is correct
7 Correct 4 ms 504 KB Output is correct
8 Correct 3 ms 376 KB Output is correct
9 Correct 4 ms 376 KB Output is correct
10 Correct 4 ms 376 KB Output is correct
11 Correct 4 ms 376 KB Output is correct
12 Correct 3 ms 376 KB Output is correct
13 Correct 2 ms 416 KB Output is correct
14 Correct 3 ms 376 KB Output is correct
15 Correct 3 ms 376 KB Output is correct
16 Correct 4 ms 376 KB Output is correct
17 Correct 1 ms 504 KB Output is correct
18 Correct 3 ms 376 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 3 ms 376 KB Output is correct
21 Correct 2 ms 380 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 167 ms 9464 KB Output is correct
2 Correct 169 ms 10188 KB Output is correct
3 Correct 160 ms 10644 KB Output is correct
4 Correct 153 ms 10228 KB Output is correct
5 Correct 157 ms 11232 KB Output is correct
6 Correct 142 ms 10300 KB Output is correct
7 Correct 140 ms 10320 KB Output is correct
8 Correct 172 ms 11152 KB Output is correct
9 Correct 188 ms 11344 KB Output is correct
10 Correct 168 ms 10248 KB Output is correct
11 Correct 113 ms 10120 KB Output is correct
12 Correct 122 ms 10848 KB Output is correct
13 Correct 129 ms 11164 KB Output is correct

Subtask #3
60.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 376 KB Output is correct
2 Correct 4 ms 376 KB Output is correct
3 Correct 5 ms 504 KB Output is correct
4 Correct 1 ms 376 KB Output is correct
5 Correct 4 ms 504 KB Output is correct
6 Correct 4 ms 376 KB Output is correct
7 Correct 4 ms 504 KB Output is correct
8 Correct 3 ms 376 KB Output is correct
9 Correct 4 ms 376 KB Output is correct
10 Correct 4 ms 376 KB Output is correct
11 Correct 4 ms 376 KB Output is correct
12 Correct 3 ms 376 KB Output is correct
13 Correct 2 ms 416 KB Output is correct
14 Correct 3 ms 376 KB Output is correct
15 Correct 3 ms 376 KB Output is correct
16 Correct 4 ms 376 KB Output is correct
17 Correct 1 ms 504 KB Output is correct
18 Correct 3 ms 376 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 3 ms 376 KB Output is correct
21 Correct 2 ms 380 KB Output is correct
22 Correct 167 ms 9464 KB Output is correct
23 Correct 169 ms 10188 KB Output is correct
24 Correct 160 ms 10644 KB Output is correct
25 Correct 153 ms 10228 KB Output is correct
26 Correct 157 ms 11232 KB Output is correct
27 Correct 142 ms 10300 KB Output is correct
28 Correct 140 ms 10320 KB Output is correct
29 Correct 172 ms 11152 KB Output is correct
30 Correct 188 ms 11344 KB Output is correct
31 Correct 168 ms 10248 KB Output is correct
32 Correct 113 ms 10120 KB Output is correct
33 Correct 122 ms 10848 KB Output is correct
34 Correct 129 ms 11164 KB Output is correct
35 Correct 167 ms 9812 KB Output is correct
36 Correct 178 ms 11204 KB Output is correct
37 Correct 175 ms 11940 KB Output is correct
38 Correct 170 ms 11768 KB Output is correct
39 Correct 175 ms 11524 KB Output is correct
40 Correct 179 ms 11600 KB Output is correct
41 Correct 176 ms 11408 KB Output is correct
42 Correct 176 ms 11724 KB Output is correct
43 Correct 167 ms 10848 KB Output is correct
44 Correct 176 ms 11260 KB Output is correct
45 Correct 157 ms 11384 KB Output is correct
46 Correct 163 ms 12424 KB Output is correct
47 Correct 134 ms 10924 KB Output is correct
48 Correct 133 ms 11088 KB Output is correct
49 Correct 150 ms 9936 KB Output is correct
50 Correct 111 ms 10744 KB Output is correct
51 Correct 128 ms 11172 KB Output is correct
52 Correct 132 ms 11048 KB Output is correct