oj.uz

Submission #313619

# Submission time Handle Problem Language Result Execution time Memory
313619 2020-10-16T12:09:53 Z Dan4Life Poi (IOI09_poi) C++17
100 / 100
 306 ms 23928 KB 
#include <bits/stdc++.h>
using namespace std;

#define pb push_back

struct grade
{
    int points, num, id;
};

bool cmp(grade a, grade b)
{
    if(a.points!=b.points) return a.points>b.points;
    if(a.num!=b.num) return a.num>b.num;
    return a.id<b.id;
}

int main()
{
    ios_base::sync_with_stdio(0); cin.tie(0);
    int n, t, p;
    cin >> n >> t >> p;
    grade person[2005];
    vector<int> V(t, 0);
    vector< vector<int> > VV;
    for(int i = 0; i < n; i++)
    {
        vector<int> v;
        for(int j = 0; j < t; j++)
        {
            int a; cin >> a; v.pb(a);
        }
        int cnt=0;
        for(auto u : v) cnt+=u;
        for(int j = 0; j < v.size(); j++)
            V[j]+=(v[j]==0);
        person[i].id=i+1;
        person[i].num=cnt;
        person[i].points=0;
        VV.pb(v); v.clear();
    }
    for(int i = 0; i < VV.size(); i++)
        for(int j = 0; j < VV[i].size(); j++)
            if(VV[i][j]==1) person[i].points += V[j];
    sort(person, person+n, cmp);
    for(int i = 0; i < n; i++)
        if(person[i].id==p)
            cout << person[i].points << " " << i+1 << "\n";
}

Compilation message

poi.cpp: In function 'int main()':
poi.cpp:35:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   35 |         for(int j = 0; j < v.size(); j++)
      |                        ~~^~~~~~~~~~
poi.cpp:42:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   42 |     for(int i = 0; i < VV.size(); i++)
      |                    ~~^~~~~~~~~~~
poi.cpp:43:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   43 |         for(int j = 0; j < VV[i].size(); j++)
      |                        ~~^~~~~~~~~~~~~~

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 3 ms 512 KB Output is correct
11 Correct 10 ms 1024 KB Output is correct
12 Correct 16 ms 1536 KB Output is correct
13 Correct 48 ms 4088 KB Output is correct
14 Correct 67 ms 5372 KB Output is correct
15 Correct 121 ms 9208 KB Output is correct
16 Correct 130 ms 9976 KB Output is correct
17 Correct 191 ms 14712 KB Output is correct
18 Correct 213 ms 16376 KB Output is correct
19 Correct 283 ms 21656 KB Output is correct
20 Correct 306 ms 23928 KB Output is correct