Submission #953248

# Submission time Handle Problem Language Result Execution time Memory
953248 2024-03-25T17:59:02 Z DearSimone Poi (IOI09_poi) C++17
85 / 100
186 ms 16316 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}
                    );
    }

    if (indexes.size() == 1) {
        cout << indexOfTiebreak + 1 << '\n';
        return;
    }

    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 << '\n';
    } 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:102:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  102 |     for (int i = 0; i < indexes.size(); i++) {
      |                     ~~^~~~~~~~~~~~~~~~
poi.cpp:112:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  112 |         for (int i = 0; i < tiebreak.size(); i++) {
      |                         ~~^~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Incorrect 1 ms 384 KB Output isn't correct
8 Correct 1 ms 348 KB Output is correct
9 Incorrect 1 ms 348 KB Output isn't correct
10 Correct 2 ms 424 KB Output is correct
11 Correct 6 ms 860 KB Output is correct
12 Correct 9 ms 1116 KB Output is correct
13 Correct 26 ms 2652 KB Output is correct
14 Incorrect 37 ms 3752 KB Output isn't correct
15 Correct 69 ms 6228 KB Output is correct
16 Correct 76 ms 7252 KB Output is correct
17 Correct 106 ms 9920 KB Output is correct
18 Correct 120 ms 11100 KB Output is correct
19 Correct 186 ms 14568 KB Output is correct
20 Correct 184 ms 16316 KB Output is correct