Submission #1248400
Source Code Expand
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<ll, ll> P;
#define EACH(i,a) for (auto&& i : a)
#define FOR(i,a,b) for (ll i=(a),__last_##i=(b);i<__last_##i;i++)
#define RFOR(i,a,b) for (ll i=(b)-1,__last_##i=(a);i>=__last_##i;i--)
#define REP(i,n) FOR(i,0,n)
#define RREP(i,n) RFOR(i,0,n)
#define __GET_MACRO3(_1, _2, _3, NAME, ...) NAME
#define rep(...) __GET_MACRO3(__VA_ARGS__, FOR, REP)(__VA_ARGS__)
#define rrep(...) __GET_MACRO3(__VA_ARGS__, RFOR, RREP)(__VA_ARGS__)
#define debug(x) cout<<#x<<": "<<x<<endl
#define pb push_back
#define ALL(a) (a).begin(),(a).end()
#define chmin(x,v) x = min(x, v)
#define chmax(x,v) x = max(x, v)
const ll linf = 1e18;
const int inf = 1e9;
const double eps = 1e-12;
const double pi = acos(-1);
template<typename T>
istream& operator>>(istream& is, vector<T>& vec) {
EACH(x,vec) is >> x;
return is;
}
template<typename T>
ostream& operator<<(ostream& os, const vector<T>& vec) {
REP(i,vec.size()) {
if (i) os << " ";
os << vec[i];
}
return os;
}
template<typename T>
ostream& operator<<(ostream& os, const vector< vector<T> >& vec) {
REP(i,vec.size()) {
if (i) os << endl;
os << vec[i];
}
return os;
}
int main() {
ios::sync_with_stdio(false);
cin.tie(0);
ll n; cin >> n;
vector<ll> v(n); cin >> v;
ll sum = 0;
rep(i, n) sum += v[i];
try {
if (sum % n != 0) throw 1;
ll x = sum / n;
ll s = 0, sz = 0;
ll ans = 0;
rep(i, n) {
s += v[i];
++sz;
if (s == x * sz) {
ans += sz-1;
sz = 0;
s = 0;
}
}
cout << ans << endl;
}
catch (int err) {
cout << -1 << endl;
}
}
Submission Info
Submission Time |
|
Task |
B - 島と橋 |
User |
drafear |
Language |
C++14 (GCC 5.4.1) |
Score |
100 |
Code Size |
1935 Byte |
Status |
AC |
Exec Time |
1 ms |
Memory |
256 KB |
Judge Result
Set Name |
Sample |
All |
Score / Max Score |
0 / 0 |
100 / 100 |
Status |
|
|
Set Name |
Test Cases |
Sample |
sample_01.txt, sample_02.txt, sample_03.txt, sample_04.txt |
All |
sample_01.txt, sample_02.txt, sample_03.txt, sample_04.txt, subtask1_01.txt, subtask1_02.txt, subtask1_03.txt, subtask1_04.txt, subtask1_05.txt, subtask1_06.txt, subtask1_07.txt, subtask1_08.txt, subtask1_09.txt, subtask1_10.txt, subtask1_11.txt, subtask1_12.txt, subtask1_13.txt, subtask1_14.txt, subtask1_15.txt, subtask1_16.txt, subtask1_17.txt, subtask1_18.txt, subtask1_19.txt, subtask1_20.txt, subtask1_21.txt, subtask1_22.txt, subtask1_23.txt, subtask1_24.txt, subtask1_25.txt, subtask1_26.txt, subtask1_27.txt, subtask1_28.txt, subtask1_29.txt, subtask1_30.txt, subtask1_31.txt, subtask1_32.txt, subtask1_33.txt, subtask1_34.txt |
Case Name |
Status |
Exec Time |
Memory |
sample_01.txt |
AC |
1 ms |
256 KB |
sample_02.txt |
AC |
1 ms |
256 KB |
sample_03.txt |
AC |
1 ms |
256 KB |
sample_04.txt |
AC |
1 ms |
256 KB |
subtask1_01.txt |
AC |
1 ms |
256 KB |
subtask1_02.txt |
AC |
1 ms |
256 KB |
subtask1_03.txt |
AC |
1 ms |
256 KB |
subtask1_04.txt |
AC |
1 ms |
256 KB |
subtask1_05.txt |
AC |
1 ms |
256 KB |
subtask1_06.txt |
AC |
1 ms |
256 KB |
subtask1_07.txt |
AC |
1 ms |
256 KB |
subtask1_08.txt |
AC |
1 ms |
256 KB |
subtask1_09.txt |
AC |
1 ms |
256 KB |
subtask1_10.txt |
AC |
1 ms |
256 KB |
subtask1_11.txt |
AC |
1 ms |
256 KB |
subtask1_12.txt |
AC |
1 ms |
256 KB |
subtask1_13.txt |
AC |
1 ms |
256 KB |
subtask1_14.txt |
AC |
1 ms |
256 KB |
subtask1_15.txt |
AC |
1 ms |
256 KB |
subtask1_16.txt |
AC |
1 ms |
256 KB |
subtask1_17.txt |
AC |
1 ms |
256 KB |
subtask1_18.txt |
AC |
1 ms |
256 KB |
subtask1_19.txt |
AC |
1 ms |
256 KB |
subtask1_20.txt |
AC |
1 ms |
256 KB |
subtask1_21.txt |
AC |
1 ms |
256 KB |
subtask1_22.txt |
AC |
1 ms |
256 KB |
subtask1_23.txt |
AC |
1 ms |
256 KB |
subtask1_24.txt |
AC |
1 ms |
256 KB |
subtask1_25.txt |
AC |
1 ms |
256 KB |
subtask1_26.txt |
AC |
1 ms |
256 KB |
subtask1_27.txt |
AC |
1 ms |
256 KB |
subtask1_28.txt |
AC |
1 ms |
256 KB |
subtask1_29.txt |
AC |
1 ms |
256 KB |
subtask1_30.txt |
AC |
1 ms |
256 KB |
subtask1_31.txt |
AC |
1 ms |
256 KB |
subtask1_32.txt |
AC |
1 ms |
256 KB |
subtask1_33.txt |
AC |
1 ms |
256 KB |
subtask1_34.txt |
AC |
1 ms |
256 KB |