oj.uz

Submission #849150

# Submission time Handle Problem Language Result Execution time Memory
849150 2023-09-14T07:22:04 Z emad234 Coins (IOI17_coins) C++17
0 / 100
 2 ms 1124 KB 
#include <bits/stdc++.h>
#define all(v) ((v).begin(),(v).end())
#define ll long long
#define F first
#define S second
const ll mod = 1e9 + 7;
const ll mxN = 1e5 + 2;
using namespace std;

vector<int> coin_flips(vector<int> b, int c) {
    vector<int> flips;
    int num = 0;
    for(int i = 6; i>=0;i--){
      if(num + (1 << i) <= c){
        num += (1 << i);
        if(!b[i]) flips.push_back(i);
      }else{
        if(b[i]) flips.push_back(i);
      }
    }
    return flips;
}

int find_coin(vector<int> b) {
    int num = 0;
    for(int i = 0;i <= 6;i++){
      num += (b[i] << i);
    }
    return num;
}

//
// static string run_test() {
// 	int c;
// 	cin >> c;
// 	vector<int> b(64);
// 	for (int i = 0; i < 8; i++) {
// 		string s;
// 		cin >> s;
// 		for (int j = 0; j < 8; j++) {
// 			b[i * 8 + j] = int(s[j] - '0');
// 		}
// 	}
// 	vector<int> flips = coin_flips(b, c);
// 	if ((int)flips.size() == 0) {
// 		return "0 turn overs";
// 	}
// 	for (int i = 0; i < (int)flips.size(); i++) {
// 		if (flips[i] < 0 || flips[i] > 63) {
// 			return "cell number out of range";
// 		}
// 		b[flips[i]] = 1 - b[flips[i]];
// 	}
// 	int coin = find_coin(b);
// 	if (coin != c) {
// 		return "wrong coin";
// 	}
// 	return "ok";
// }
//
// int main() {
// 	int tests;
// 	cin >> tests;
// 	for (int t = 1; t <= tests; t++) {
// 		string result = run_test();
// 		cout << "test #" << t << ": " << result << endl;
// 	}
// 	return 0;
// }

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 1112 KB WA in grader: invalid flips length
2 Halted 0 ms 0 KB -

Subtask #2
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 1112 KB WA in grader: invalid flips length
2 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 1124 KB WA in grader: invalid flips length
2 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 1080 KB WA in grader: invalid flips length
2 Halted 0 ms 0 KB -

Subtask #5
0 / 50.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 1112 KB WA in grader: invalid flips length
2 Halted 0 ms 0 KB -