#include <bits/stdc++.h> #define ll long long #define ld long double #define f1(i,n) for(int i=1;i<=n;i++) #define __file_name "" using namespace std; const ll maxn=1e6+5, inf=1e18; ll n, d[maxn], a[maxn]; int main(){ ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); if(fopen(__file_name ".inp", "r")){ freopen(__file_name ".inp", "r", stdin); freopen(__file_name ".out", "w", stdout); } // code here cin >> n; f1(i,n-1) cin >> d[i]; for(int i = 2; i <= n; i++){ a[i] = a[i-1] + d[i-1]; } if((*max_element(a+1,a+n+1)) - (*min_element(a+1,a+n+1)) == n - 1){ a[1] = -(*min_element(a+1,a+n+1)) + 1; for(int i = 2; i <= n; i++) a[i] += a[1]; f1(i,n) cout << a[i] << ' '; cout << '\n'; }else{ cout << "-1\n"; } return 0; }

Labels.cpp: In function 'int main()':
Labels.cpp:15:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |         freopen(__file_name ".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Labels.cpp:16:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   16 |         freopen(__file_name ".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~