Submission #717698

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
717698	2023-04-02T10:56:46 Z	EntityPlantt	Poi (IOI09_poi)	C++14	100 / 100	327 ms	9968 KB

poi

#include <cstdio>
#include <cstring>
#include <algorithm>
#include <vector>
int main() {
    int n, t, p, i, j, x;
    scanf("%d%d%d", &n, &t, &p);
    std::vector <int> solved[n], score(t, n), final(n, 0);
    int ppl[n];
    for (i = 0; i < n; i++) {
        ppl[i] = i;
        for (j = 0; j < t; j++) {
            scanf("%d", &x);
            if (x) {
                solved[i].push_back(j);
                score[j]--;
            }
        }
    }
    for (i = 0; i < n; i++) {
        for (j = 0; j < solved[i].size(); j++) {
            final[i] += score[solved[i][j]];
        }
    }
    std::sort(ppl, ppl + n, [&](int a, int b) {
        if (final[a] != final[b]) return final[a] > final[b];
        if (solved[a].size() != solved[b].size()) return solved[a].size() > solved[b].size();
        return a < b;
    });
    p--;
    /* for (i = 0; i < n; i++) {
        if (ppl[i] == p) {
            printf(">%3d", i + 1);
        }
        else {
            printf("%4d", i + 1);
        }
        printf(" | Contestant #%d, Total: %d, Solved tasks: %d\n", ppl[i] + 1, final[ppl[i]], solved[ppl[i]].size());
    } */
    printf("%d %d", final[p], std::distance(ppl - 1, std::find(ppl, ppl + n, p)));
    return 0;
}

Compilation message

poi.cpp: In function 'int main()':
poi.cpp:21:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |         for (j = 0; j < solved[i].size(); j++) {
      |                     ~~^~~~~~~~~~~~~~~~~~
poi.cpp:40:17: warning: format '%d' expects argument of type 'int', but argument 3 has type 'std::iterator_traits<int*>::difference_type' {aka 'long int'} [-Wformat=]
   40 |     printf("%d %d", final[p], std::distance(ppl - 1, std::find(ppl, ppl + n, p)));
      |                ~^             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                 |                          |
      |                 int                        std::iterator_traits<int*>::difference_type {aka long int}
      |                %ld
poi.cpp:7:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    7 |     scanf("%d%d%d", &n, &t, &p);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~
poi.cpp:13:18: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |             scanf("%d", &x);
      |             ~~~~~^~~~~~~~~~

Subtask #1

100.0 / 100.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	292 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	2 ms	340 KB	Output is correct
10	Correct	3 ms	340 KB	Output is correct
11	Correct	10 ms	796 KB	Output is correct
12	Correct	17 ms	1160 KB	Output is correct
13	Correct	50 ms	1996 KB	Output is correct
14	Correct	98 ms	2640 KB	Output is correct
15	Correct	130 ms	5444 KB	Output is correct
16	Correct	132 ms	5840 KB	Output is correct
17	Correct	228 ms	6684 KB	Output is correct
18	Correct	217 ms	7484 KB	Output is correct
19	Correct	305 ms	8888 KB	Output is correct
20	Correct	327 ms	9968 KB	Output is correct