이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
#define bug cout << "bug" << endl
#define speed ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0)
#define all(x) x.begin(), x.end()
#define F first
#define S second
#define pll pair <ll, ll>
#define pii pair <int, int>
#define triple pair <pair <ll, ll> , ll>
#define ull unsigned long long
#define ld long double
#define pinode pair <node*, node*>
const ll INF = 9e18 + 5;
const ll inf = 1e9 + 5;
const ll N = 5e3 + 5;
const ll shift = 2e6;
const ll mod = 998244353;
const ll mod2 = 1e9 + 9;
const ll M = 1e3 + 5;
const ll LOG = 21;
const ll sp = 263;
const ll sp2 = 9973;
const int block = 100;
const double eps = 1e-10;
ll n, m, d[N];
vector <array <ll, 3>> vt;
int main(){
speed;
cin >> n >> m;
for(int i = 1; i <= m; i++){
int l, r, k, val;
cin >> l >> r >> k >> val;
l++;
r++;
// cout << "OGRANI : " << l << " " << r << " " << k << " " << val << endl;
ll len = r - l + 1;
if(val == 0){
vt.pb({l - 1, r, len - k});
}else{
vt.pb({r, l - 1, -(len - k + 1)});
}
}
for(int i = 1; i <= n; i++){
vt.pb({i - 1, i, 1});
vt.pb({i, i - 1, 0});
}
for(int i = 0; i <= n; i++){
d[i] = INF;
}
d[0] = 0;
for(int col = 0; col <= n; col++){
for(int i = 0; i < vt.size(); i++){
ll a = vt[i][0], b = vt[i][1], w = vt[i][2];
if(d[a] < INF){
if(d[b] > d[a] + w){
d[b] = max(-INF, d[a] + w);
}
}
}
}
bool cycle = false;
for(int i = 0; i < vt.size(); i++){
ll a = vt[i][0], b = vt[i][1], w = vt[i][2];
if(d[a] < INF){
if(d[b] > d[a] + w){
cycle = true;
break;
}
}
if(cycle)
break;
}
if(cycle){
cout << -1 << endl;
return 0;
}
for(int i = 1; i <= n; i++){
cout << d[i] - d[i - 1] << " ";
}
}
/*
%I64d6
7 7
0 2 1 0
0 6 1 0
0 1 1 0
1 1 1 1
6 6 1 1
3 6 1 1
2 4 1 1
0 1 1 1 1 1 1
%I64d
*/
컴파일 시 표준 에러 (stderr) 메시지
restore.cpp: In function 'int main()':
restore.cpp:60:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::array<long long int, 3> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
60 | for(int i = 0; i < vt.size(); i++){
| ~~^~~~~~~~~~~
restore.cpp:70:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::array<long long int, 3> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
70 | for(int i = 0; i < vt.size(); i++){
| ~~^~~~~~~~~~~
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