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Submission #124433

# Submission time Handle Problem Language Result Execution time Memory
124433 2019-07-03T10:35:10 Z AyaBenSaad Strange Device (APIO19_strange_device) C++14
10 / 100
 5000 ms 524288 KB 
#include <bits/stdc++.h>
#define ll long long 
// sub 4
using namespace std;

const int M = 2e6 + 6;
int n;
ll a, b;
ll l[M], r[M];
set <pair <ll, ll> >s;

int main () {
    scanf ("%d %lld %lld", &n, &a, &b);
    for (int i = 0; i < n; i++) {
        scanf("%lld %lld", &l[i], &r[i]);
        for (long long j = l[i]; j <= r[i]; j++) {
            long long x = (j + (j/b)) % a;
            long long y = j % b;
            s.insert ({x, y});
        }
    }
    printf("%d\n", (int)s.size());

}

Compilation message

strange_device.cpp: In function 'int main()':
strange_device.cpp:13:11: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf ("%d %lld %lld", &n, &a, &b);
     ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
strange_device.cpp:15:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%lld %lld", &l[i], &r[i]);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 76 ms 12536 KB Output is correct
3 Correct 118 ms 18396 KB Output is correct
4 Correct 4 ms 888 KB Output is correct
5 Correct 2 ms 348 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 3 ms 504 KB Output is correct
8 Correct 3 ms 504 KB Output is correct
9 Correct 12 ms 1192 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 276 KB Output is correct
13 Correct 2 ms 252 KB Output is correct
14 Correct 2 ms 348 KB Output is correct
15 Correct 62 ms 6976 KB Output is correct
16 Correct 46 ms 7232 KB Output is correct
17 Correct 94 ms 8896 KB Output is correct
18 Correct 2 ms 256 KB Output is correct

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Runtime error 3847 ms 524288 KB Execution killed with signal 9 (could be triggered by violating memory limits)
3 Halted 0 ms 0 KB -

Subtask #3
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 207 ms 32396 KB Output is correct
3 Correct 225 ms 32176 KB Output is correct
4 Correct 202 ms 30684 KB Output is correct
5 Execution timed out 5077 ms 62712 KB Time limit exceeded

Subtask #4
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 776 ms 78780 KB Output is correct
3 Runtime error 2931 ms 524288 KB Execution killed with signal 9 (could be triggered by violating memory limits)
4 Halted 0 ms 0 KB -

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 776 ms 78780 KB Output is correct
3 Runtime error 2931 ms 524288 KB Execution killed with signal 9 (could be triggered by violating memory limits)
4 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 776 ms 78780 KB Output is correct
3 Runtime error 2931 ms 524288 KB Execution killed with signal 9 (could be triggered by violating memory limits)
4 Halted 0 ms 0 KB -

Subtask #7
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 376 KB Output is correct
2 Runtime error 2036 ms 524288 KB Execution killed with signal 9 (could be triggered by violating memory limits)
3 Halted 0 ms 0 KB -

Subtask #8
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 76 ms 12536 KB Output is correct
3 Correct 118 ms 18396 KB Output is correct
4 Correct 4 ms 888 KB Output is correct
5 Correct 2 ms 348 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 3 ms 504 KB Output is correct
8 Correct 3 ms 504 KB Output is correct
9 Correct 12 ms 1192 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 276 KB Output is correct
13 Correct 2 ms 252 KB Output is correct
14 Correct 2 ms 348 KB Output is correct
15 Correct 62 ms 6976 KB Output is correct
16 Correct 46 ms 7232 KB Output is correct
17 Correct 94 ms 8896 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Runtime error 3847 ms 524288 KB Execution killed with signal 9 (could be triggered by violating memory limits)
21 Halted 0 ms 0 KB -