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Submission #50005

# Submission time Handle Problem Language Result Execution time Memory
50005 2018-06-06T07:25:10 Z Costin Andrei Oncescu(#1280, SpaimaCarpatilor) Foehn Phenomena (JOI17_foehn_phenomena) C++11
100 / 100
 329 ms 168120 KB 
#include<bits/stdc++.h>

using namespace std;

int N, Q, S, T;
long long a[200009];

long long ans = 0;
long long f (long long x)
{
    if (x > 0) return -1LL * x * S;
    return 1LL * (-x) * T;
}

int main ()
{
//freopen ("input", "r", stdin);
//freopen ("output", "w", stdout);

scanf ("%d %d %d %d", &N, &Q, &S, &T);
for (int i=0; i<=N; i++)
    scanf ("%lld", &a[i]);
for (int i=N; i>=1; i--)
    a[i] -= a[i - 1], ans += f (a[i]);
while (Q --)
{
    int l, r, val;
    scanf ("%d %d %d", &l, &r, &val);
    ans -= f (a[l]);
    if (r < N) ans -= f (a[r + 1]);
    a[l] += val, a[r + 1] -= val;
    ans += f (a[l]);
    if (r < N) ans += f (a[r + 1]);
    printf ("%lld\n", ans);
}
return 0;
}

Compilation message

foehn_phenomena.cpp: In function 'int main()':
foehn_phenomena.cpp:20:7: 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:22:11: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf ("%lld", &a[i]);
     ~~~~~~^~~~~~~~~~~~~~~
foehn_phenomena.cpp:28:11: 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 5 ms 376 KB Output is correct
2 Correct 4 ms 556 KB Output is correct
3 Correct 4 ms 556 KB Output is correct
4 Correct 4 ms 608 KB Output is correct
5 Correct 4 ms 652 KB Output is correct
6 Correct 4 ms 732 KB Output is correct
7 Correct 4 ms 784 KB Output is correct
8 Correct 7 ms 956 KB Output is correct
9 Correct 4 ms 1112 KB Output is correct
10 Correct 4 ms 1176 KB Output is correct
11 Correct 4 ms 1260 KB Output is correct
12 Correct 5 ms 1312 KB Output is correct
13 Correct 4 ms 1368 KB Output is correct
14 Correct 6 ms 1412 KB Output is correct
15 Correct 4 ms 1460 KB Output is correct
16 Correct 4 ms 1504 KB Output is correct
17 Correct 4 ms 1548 KB Output is correct
18 Correct 7 ms 1592 KB Output is correct
19 Correct 4 ms 1644 KB Output is correct
20 Correct 3 ms 1656 KB Output is correct
21 Correct 2 ms 1656 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 178 ms 10012 KB Output is correct
2 Correct 189 ms 16028 KB Output is correct
3 Correct 188 ms 21960 KB Output is correct
4 Correct 174 ms 26852 KB Output is correct
5 Correct 182 ms 33540 KB Output is correct
6 Correct 162 ms 38700 KB Output is correct
7 Correct 192 ms 43332 KB Output is correct
8 Correct 188 ms 48788 KB Output is correct
9 Correct 203 ms 54680 KB Output is correct
10 Correct 194 ms 58908 KB Output is correct
11 Correct 116 ms 64376 KB Output is correct
12 Correct 130 ms 69672 KB Output is correct
13 Correct 137 ms 74680 KB Output is correct

Subtask #3
60.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 4 ms 556 KB Output is correct
3 Correct 4 ms 556 KB Output is correct
4 Correct 4 ms 608 KB Output is correct
5 Correct 4 ms 652 KB Output is correct
6 Correct 4 ms 732 KB Output is correct
7 Correct 4 ms 784 KB Output is correct
8 Correct 7 ms 956 KB Output is correct
9 Correct 4 ms 1112 KB Output is correct
10 Correct 4 ms 1176 KB Output is correct
11 Correct 4 ms 1260 KB Output is correct
12 Correct 5 ms 1312 KB Output is correct
13 Correct 4 ms 1368 KB Output is correct
14 Correct 6 ms 1412 KB Output is correct
15 Correct 4 ms 1460 KB Output is correct
16 Correct 4 ms 1504 KB Output is correct
17 Correct 4 ms 1548 KB Output is correct
18 Correct 7 ms 1592 KB Output is correct
19 Correct 4 ms 1644 KB Output is correct
20 Correct 3 ms 1656 KB Output is correct
21 Correct 2 ms 1656 KB Output is correct
22 Correct 178 ms 10012 KB Output is correct
23 Correct 189 ms 16028 KB Output is correct
24 Correct 188 ms 21960 KB Output is correct
25 Correct 174 ms 26852 KB Output is correct
26 Correct 182 ms 33540 KB Output is correct
27 Correct 162 ms 38700 KB Output is correct
28 Correct 192 ms 43332 KB Output is correct
29 Correct 188 ms 48788 KB Output is correct
30 Correct 203 ms 54680 KB Output is correct
31 Correct 194 ms 58908 KB Output is correct
32 Correct 116 ms 64376 KB Output is correct
33 Correct 130 ms 69672 KB Output is correct
34 Correct 137 ms 74680 KB Output is correct
35 Correct 165 ms 77956 KB Output is correct
36 Correct 184 ms 84820 KB Output is correct
37 Correct 186 ms 90952 KB Output is correct
38 Correct 203 ms 96124 KB Output is correct
39 Correct 202 ms 101544 KB Output is correct
40 Correct 193 ms 106968 KB Output is correct
41 Correct 197 ms 112248 KB Output is correct
42 Correct 202 ms 117796 KB Output is correct
43 Correct 329 ms 122520 KB Output is correct
44 Correct 194 ms 128432 KB Output is correct
45 Correct 199 ms 133808 KB Output is correct
46 Correct 176 ms 140492 KB Output is correct
47 Correct 153 ms 145164 KB Output is correct
48 Correct 154 ms 149672 KB Output is correct
49 Correct 201 ms 153240 KB Output is correct
50 Correct 119 ms 158596 KB Output is correct
51 Correct 151 ms 163348 KB Output is correct
52 Correct 148 ms 168120 KB Output is correct