Submission #333871

#	Time	Username	Problem	Language	Result	Execution time	Memory
333871		limabeans	Labels (NOI20_labels)	C++17	47 / 100	5 ms	4332 KiB

Labels

#include <bits/stdc++.h>
using namespace std;

template<typename T>
void out(T x) { cout << x << endl; exit(0); }
#define watch(x) cout << (#x) << " is " << (x) << endl





using ll = long long;


const int maxn = 1e3+2;


int n;
int d[maxn];
int dp[maxn][maxn];

int main() {
    ios_base::sync_with_stdio(false); cin.tie(0);  cout.tie(0);

    cin>>n;
    for (int i=1; i<=n-1; i++) {
	cin>>d[i];
    }

    for (int i=1; i<=n; i++) {
	dp[1][i] = 1;
    }

    for (int i=2; i<=n; i++) {
	for (int j=1; j<=n; j++) {
	    if (j-d[i-1]>=1 && j-d[i-1]<=n) {
		dp[i][j] = dp[i-1][j-d[i-1]];
	    }
	}
    }

    int last = -1;
    for (int j=1; j<=n; j++) {
	if (dp[n][j]) {
	    if (~last) out(-1);
	    last = j;
	}
    }

    if (last == -1) out(-1);
    vector<int> res;
    res.push_back(last);
    for (int i=n-1; i>=1; i--) {
	last -= d[i];
	res.push_back(last);
    }

    reverse(res.begin(), res.end());
    for (int i: res) cout<<i<<" ";
    cout<<endl;
    
    return 0;
}

• Subtask 1: 7 / 7
• Subtask 2: 15 / 15
• Subtask 3: 25 / 25
• Subtask 4: 0 / 18
• Subtask 5: 0 / 35