Submission #524974

#	Time	Username	Problem	Language	Result	Execution time	Memory
524974		maks007	Football (info1cup20_football)	C++14	34 / 100	527 ms	480 KiB

football

    #include <bits/stdc++.h>
     
    using namespace std;
     
    #define int long long
     
    int32_t main(void) {
    	ios::sync_with_stdio(0);
    	cin.tie(0);
    	int t;
    	cin >> t;
    	while(t --) {
    		int n, k;
    		cin >> n >> k;
    		vector <int> a(n);
    		for(int i = 0; i < n; i ++) cin >> a[i];
    		
    		if(n == 1) {
    			
    			
    			int n = a[0];
    			if(n & 1) {
    				cout << 1;
    				continue;
    			}
    			for(int i = 1; i*i<= k; i ++) {
    				if((n % i == 0 and (n/i)%2 == 1)or(n%i==0 and (n/(n/i))%2 == 1 and n/i<=k)) {
    					cout << 1;
    					goto end;
    				}
    			}
    			cout << 0;
    			end:;
    			continue;
    		}
    		if(k == 1) {
    			int sum = accumulate(a.begin(), a.end(), 0ll);
    			if(sum % 2 == 1) {
    				cout << 1;
    			}else cout << 0;
    			continue;
    		}
    		int sum = 0;
    		for(int i = 0; i < a.size(); i ++) {
    			if(a[i] % 2 == 1) sum += 1;
    		}
    		int move = 0;
    		for(int i = 0; i < a.size(); i ++) {
    			move += (int)(a[i] / 2);
    		}
    		if(move % 2 == 0) {
    			if(sum % 2 == 1) {
    				cout << 1;
    			}else cout << 0;
    		}else {
    			if(sum % 2 == 0) cout << 1;
    			else cout << 0;
    		}
     
    	}
    	return false;
    }

Compilation message (stderr)

football.cpp: In function 'int32_t main()':
football.cpp:44:24: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |       for(int i = 0; i < a.size(); i ++) {
      |                      ~~^~~~~~~~~~
football.cpp:48:24: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   48 |       for(int i = 0; i < a.size(); i ++) {
      |                      ~~^~~~~~~~~~

• Subtask 1: 26 / 26
• Subtask 2: 8 / 8
• Subtask 3: 0 / 11
• Subtask 4: 0 / 8
• Subtask 5: 0 / 16
• Subtask 6: 0 / 16
• Subtask 7: 0 / 7
• Subtask 8: 0 / 8