Submission #953244

# Submission time Handle Problem Language Result Execution time Memory
953244 2024-03-25T17:56:25 Z DearSimone Poi (IOI09_poi) C++17
85 / 100
177 ms 23892 KB
#include "bits/stdc++.h"
using namespace std;
 
typedef long long int64;
 
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
 
void __print(int x) {cerr << x;}
void __print(long x) {cerr << x;}
void __print(long long x) {cerr << x;}
void __print(unsigned x) {cerr << x;}
void __print(unsigned long x) {cerr << x;}
void __print(unsigned long long x) {cerr << x;}
void __print(float x) {cerr << x;}
void __print(double x) {cerr << x;}
void __print(long double x) {cerr << x;}
void __print(char x) {cerr << '\'' << x << '\'';}
void __print(const char *x) {cerr << '\"' << x << '\"';}
void __print(const string &x) {cerr << '\"' << x << '\"';}
void __print(bool x) {cerr << (x ? "true" : "false");}
 
template<typename T, typename V>
void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ", "; __print(x.second); cerr << '}';}
template<typename T>
void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? ", " : ""), __print(i); cerr << "}";}
void _print() {cerr << "]\n";}
template <typename T, typename... V>
void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);}
#ifdef DEBUG
#define dbg(x...) cerr << "\e[91m"<<__func__<<":"<<__LINE__<<" [" << #x << "] = ["; _print(x); cerr << "\e[39m" << endl;
#else
#define dbg(x...)
#endif
 
 
const int MOD = 1000000007;
 
void solve() {
    
    int contestants; cin >> contestants;
    int tasks; cin >> tasks;
    int p; cin >> p;

    vector<int> task_score(tasks, 0);
    vector<pair<int,int>> contestant_score(contestants, {0,0});
    vector<int> solved_problems(contestants, 0);


    vector<vector<int>> inp;
    for (int i = 0; i < contestants; i++) {
        vector<int> temp;
        for (int j = 0; j < tasks; j++) {
            int curr; cin >> curr;
            task_score[j] += curr;
            temp.push_back(curr);
        }

        inp.push_back(temp);
    }

    for (int i = 0; i < tasks; i++) {
        task_score[i] = contestants - task_score[i]; 
    }

     for (int i = 0; i < contestants; i++) {
        for (int j = 0; j < tasks; j++) {
            contestant_score[i].first += inp[i][j] * task_score[j];
            contestant_score[i].second = i;
            solved_problems[i] += inp[i][j];
        }
    }
    
    int score = contestant_score[p-1].first;
    cout << score << " ";
    sort(contestant_score.rbegin(), contestant_score.rend()); 

    int indexOfTiebreak = 0;
    for (int i = 0; i < contestant_score.size(); i++) {
        if (contestant_score[i].first == score) {
            indexOfTiebreak = i;
            break;
        }
    }

    int solvedByP = solved_problems[p-1];
    vector<pair<int,int>> indexes;
    for (int i = 0; i < contestants; i++) {
        if (contestant_score[i].first == score) 
            indexes.push_back({
                    solved_problems[contestant_score[i].second], 
                    contestant_score[i].second}
                    );
    }

    sort(indexes.rbegin(), indexes.rend());
    vector<int> tiebreak;
    for (int i = 0; i < indexes.size(); i++) {
        if (indexes[i].first == solvedByP)
            tiebreak.push_back(indexes[i].second);
    }
    
    if (tiebreak.size() == 1) {
        cout << indexOfTiebreak + 1 << " ";
    } else {
        sort(tiebreak.begin(), tiebreak.end());
        int pos = 0;
        for (int i = 0; i < tiebreak.size(); i++) {
            if (tiebreak[i] == p - 1) {
                pos = i + 1;
                break;
            }
        }
        cout << indexOfTiebreak + pos << '\n';
    }
    
}
 
int main() {
    ios_base::sync_with_stdio(0); 
	cin.tie(0);
    
    int T = 1;
    while(T--) {
        solve();
    }
 
	return 0;
}


Compilation message

poi.cpp: In function 'void solve()':
poi.cpp:78:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   78 |     for (int i = 0; i < contestant_score.size(); i++) {
      |                     ~~^~~~~~~~~~~~~~~~~~~~~~~~~
poi.cpp:97:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   97 |     for (int i = 0; i < indexes.size(); i++) {
      |                     ~~^~~~~~~~~~~~~~~~
poi.cpp:107:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  107 |         for (int i = 0; i < tiebreak.size(); i++) {
      |                         ~~^~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Incorrect 1 ms 348 KB Output isn't correct
8 Correct 1 ms 404 KB Output is correct
9 Incorrect 1 ms 348 KB Output isn't correct
10 Correct 2 ms 604 KB Output is correct
11 Correct 6 ms 1120 KB Output is correct
12 Correct 10 ms 1640 KB Output is correct
13 Correct 29 ms 3824 KB Output is correct
14 Incorrect 38 ms 5292 KB Output isn't correct
15 Correct 67 ms 9100 KB Output is correct
16 Correct 73 ms 9812 KB Output is correct
17 Correct 109 ms 14564 KB Output is correct
18 Correct 123 ms 16784 KB Output is correct
19 Correct 163 ms 21700 KB Output is correct
20 Correct 177 ms 23892 KB Output is correct