Submission #718017

#	Time	Username	Problem	Language	Result	Execution time	Memory
718017		Kalashnikov	Snowball (JOI21_ho_t2)	C++17	100 / 100	110 ms	10068 KiB

Main

#include <bits/stdc++.h>
 
#define ios ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define file(s) if (fopen(s".in", "r")) freopen(s".in", "r", stdin), freopen(s".out", "w", stdout)
#define all(a) a.begin() , a.end()
#define F first
#define S second
 
using namespace std;
using ll = long long;
 #define int ll
const int N = 2e5+5 , inf = 2e9 + 7;
const ll INF = 1e18 ,   mod = 1e9+7 , P = 6547;

ll x[N];

bool L[N], R[N];
int res[N];

void solve(int tc) {
	int n, q;
	cin >> n >> q;
	for(int i = 1; i <= n; i ++) {
		cin >> x[i];
	}
	vector<pair<int,int>> vec;
	for(int i = 1; i < n; i ++) {
		vec.push_back({x[i+1]-x[i], i});
	}
	sort(all(vec));
	int mx = 0, mn = 0, cur = 0;
	int it = 0;
	for(int i = 1; i <= q; i ++) {
		ll w;
		cin >> w;
		int c1 = cur, mx1 = mx, mn1 = mn;
		cur += w;
		mx = max(mx, cur);
		mn = min(mn , cur);
		while(it < vec.size() && mx-mn >= vec[it].F) {
			res[vec[it].S] += mx1;
			res[vec[it].S+1] -= mn1;
			if(w > 0) {
				res[vec[it].S] += vec[it].F-mx1+mn1;				
			}
			else {
				res[vec[it].S+1] += vec[it].F-mx1+mn1;
			}
			R[vec[it].S] = 1;
			L[vec[it].S+1] = 1;
			it ++;
		}
	}
	for(int i = 1; i <= n; i ++) {
		if(L[i] == 0) res[i] += -mn;
		if(R[i] == 0) res[i] += mx;
		cout << res[i] << '\n';
	}
}
/*
*/
main() {
    ios;
    int tt = 1 , tc = 0;
    // cin >> tt;
    while(tt --) {
        solve(++tc);
    }
    return 0;
}

Compilation message (stderr)

Main.cpp: In function 'void solve(ll)':
Main.cpp:40:12: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |   while(it < vec.size() && mx-mn >= vec[it].F) {
      |         ~~~^~~~~~~~~~~~
Main.cpp:36:7: warning: unused variable 'c1' [-Wunused-variable]
   36 |   int c1 = cur, mx1 = mx, mn1 = mn;
      |       ^~
Main.cpp: At global scope:
Main.cpp:62:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   62 | main() {
      | ^~~~

• Subtask 1: 33 / 33
• Subtask 2: 67 / 67