#include<bits/stdc++.h> using namespace std; #define fi first #define se second #define pii pair<int, int> #define bend(v) v.begin(),v.end() #define vect vector #define prq priority_queue #define umap unordered_map #define eb emplace_back #define pb push_back #define pob pop_back #define ef emplace_front #define pf push_front #define pof pop_front #define el "\n" #define deb cout<<"\nok\n";return #define nextl cout<<"\n" #define lwb lower_bound #define upb upper_bound #define rs resize #define popcnt __builtin_popcount #define clz __builtin_clz #define ctz __builtin_ctz #define ll long long #define dbl long double #define int long long #define FILE "ijustwannabepartofyourskibidi" void IO(){ if(fopen(FILE".in", "r")){ freopen(FILE".in", "r", stdin); freopen(FILE".out", "w", stdout); } else if(fopen(FILE".inp", "r")){ freopen(FILE".inp", "r", stdin); freopen(FILE".out", "w", stdout); } } const ll N = 3e5 + 69, MOD = 1e9+7, INF = 1000000000000000069; mt19937_64 rng(chrono::high_resolution_clock::now().time_since_epoch().count()); ll rand(ll l, ll r){ return uniform_int_distribution<ll>(l, r)(rng); } ll pm(ll a,const ll b=MOD){return ((a%b)+b)%b;} ll sq(ll x){return x*x;} ll __lcm(ll a, ll b, const ll lim=LLONG_MAX){ if(a == -1 || b == -1)return -1; ll g = __gcd(a,b); if(b/g > lim/a)return -1; return (a/g)*b; } void sol(){ int n; cin >> n; int d[n-1]; for(int& i : d) cin >> i; int mxpfs = 0, mnpfs = 0, pfs = 0; for(int i : d){ pfs += i; mxpfs = max(mxpfs, pfs); mnpfs = min(mnpfs, pfs); } int st = -1; for(int i=1;n>=i;i++){ if(1 <= i + mnpfs && i + mxpfs <= n){ if(st == -1) st = i; else{ cout << -1; return; } } } int ans[n]; ans[0] = st; for(int i=0;n-1>i;i++){ ans[i+1] = d[i] + ans[i]; } for(int i : ans) cout << i << ' ' ; } signed main(){ ios_base::sync_with_stdio(0); cin.tie(NULL);cout.tie(NULL); IO(); int t = 1; // cin >> t; while(t--) sol(); } /* ...-%%%%%%%%%%%... .:**#%=%%%%%+........-%%%%. . .%%%%%%=-..%#. .#%%. %%%+.. .: *%%. .%%. :. :%%%%%:. .%%. ... .: :: .=%%%. ..%%. #%#:%. : :.. =%%. %%+..: .%*::::%-::::::-::::::.. .:-%%%%. .*%%.. .%# :.%:::::::%%%%%%%%%%%%%+...%%%+::::%#. .%%. .%%. ..:.%=::::*%#***#%::::::::%%%%=:::::::%%. .%%. =%%%...-%%%:::*%********%:::%%%****%::::::::%% .%- .%::::%%***%=:%%**********%%********%:::::::=%-:. .%.. #%:::%#*****%%**********************%:::+%%%*%%-.: .::..%%. .%%::%%*****==**==*****#************#%%%%#******%%..::::.. .%%. .%%#%+%%***************##*+=+*==********************%%.:. .%% .%%***%%****************#**==**==******==**+=+********%%%%%%%%% %%. .#%#*********************%%**************++************%%::::::%* .%%%. .%%***************#*****%%%****************************%%::::::%% .-%%%. .#%***************#****%%--%*********%*****************%#::::-%%%%%%%%%%. .%%**************#**%%%----%********%%**************#***#%%%#**%#******%* .%%**************#%%%--.....%%*******%%**************#**********#%******%%. .%%*************%%...........%%******%-%*************#***********%%*****%%. .%%*************%%...%%%%%.....%%%%%%%.=%%%%%%%%##****#****##::::+%%*****%# .%%************%%...%. %%.................%%%%-.....%*****#*****%%*****%% .#%#*#****#****%%:::%- %%.................%. #-....%*****#*#####%#****%%. .%%##****%%%**%%:::::##...................%= .%+:::%#*****#:####*%%****%%. .+%%#**%%.#%%%%::::::........###+.:*##-....%%%:::::%*****##******%%****%%- ..%%*%%.......:::.......##..#*...#+..#*....:::::%******#*****##%%*****%%. .%%%%%................#-##=--##+-+###-#....:::%******#:###*::%%#*****%%. .%%****%%..............#----------------=*...#%#****##**##::#**%%*******%%. .%%%%%*=+%%*...........#-----------------#.....#%%%%%%+:##*##:*%%*******%%%. ..:*%====%%%%........#-----------------#:.........%#********%%*****%%%%%%. .%%=======*%%%%%%%.%%+----#-%------%%#.......%%%%::::::::%%==***#%###%%. ..%%=============+%%-:#%%%%-::%%%%%%::%%%%%%%%%=%%*******%%=====**%%###%%.. -%%%%%%%%%%%%%%%%+%.%+:+%::%::::%::%:::%%#%... .%%******%%%========#%####%%. .%%++#############%%# ..%%.**%%#%%%%%%%#%***%. :%%*****%%%=+%%%%%%%%%%#####%%. .%%++++*############*++% .%************#****%. #%*%%%%+++%%%%###############%%. .+%%%%%%%%%%####+##########*+++++%%. .%**#**********#****% %%**%%%++++###################%: =%%%%######################++++++++%%*%.-%%#***********#****% .%****%%+++++###################%% .%%%#######################*%%%%%%%%.%%*#%+%###################%.%%***%%%+++++###################%% *%%######################+#%%++++++%*. =%*%. .:%%%%########%%%%%%%%%#*#%.%%++#####################%% .%%%#####################%%%%%+++++++%- %*#%%. .%%%*++++++*%%%....%%#####################%%* %%######%%%%%#%%%%%######%%.%*+++++++%. %****#. .%%+++*+++++*++%%...=%%###################%%%. %%%%%%%%#-=##%...%%######%%.%%+++++++%%..*%***#%%%%%. ..%+++++++++++++++%%...%%##################%%%. .%:. .#%#####%%.%%+++++++++%. %*********%%%%%++++++++++++++++%%...%%##############%%%%.. :%#####%% .%%+++++++%% .%%**********%%++++++++++++++++%%.....%#########%%%%%% . *%#####%%. .%%+++++++%%:. .%%********%%++++++++++++++++%%....%%%%%%%%%%%%*.. .%%##%%% .%%*+++++++%%. ..#%%%#****%%+++++++++++++++%%%%%% . ..... %%#%%%. .:%%%%%%%%%%%...-%. ......%%+++++++++++++%%. ..%%%. ... .%%%#%%%=:#%%%%%%%%*++++++%%%# .-%%+. ... .%%%%%%%:. */

Labels.cpp: In function 'void IO()':
Labels.cpp:33:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   33 |         freopen(FILE".in", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
Labels.cpp:34:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   34 |         freopen(FILE".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
Labels.cpp:37:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   37 |         freopen(FILE".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
Labels.cpp:38:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   38 |         freopen(FILE".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~