Submission #1333924

#	Time	Username	Problem	Language	Result	Execution time	Memory
1333924		Hisu	Monsters (NOI25_monsters)	C++20	14 / 100	41 ms	5040 KiB

Main

#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
#define ed "\n"
#define int long long

const int N = 2e5 + 5;
int n, k, a[N], h[N], x[N];

namespace sub1 {
    bool check() {
        return (k == 1);
    }

    void solve() {
        int ans = accumulate(h + 1, h + n + 1, 0LL);

        int sum = 0;
        for(int i = 1; i <= n; i++) {
            sum += min(h[i], abs(x[1] - a[i]));
        }
        
        for(int i = 1; i <= n; i++) {
            int val = min(h[i], abs(x[1] - a[i]));
            sum -= val;

            ans = min(ans, sum + abs(x[1] - a[i]) + 1);

            sum += val;
        }

        cout << ans;
        return;
    }
}

void solve(int iTest) {
    cin >> n >> k;
    for(int i = 1; i <= n; i++) cin >> a[i] >> h[i];
    for(int i = 1; i <= n; i++) cin >> x[i];

    if(sub1::check()) sub1::solve();
}

signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0); cout.tie(0);

    #define TASK "main"
    if(fopen(TASK ".inp", "r")) {
        freopen(TASK ".inp", "r", stdin);
        freopen(TASK ".out", "w", stdout);
    }
    else if(fopen("main.inp", "r")) {
        freopen("main.inp", "r", stdin);
        freopen("main.out", "w", stdout);
    }

    int T = 1;
    // cin >> T;
    for(int iTest = 1; iTest <= T; iTest++) {
        solve(iTest);
    }
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:52:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   52 |         freopen(TASK ".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:53:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   53 |         freopen(TASK ".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:56:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   56 |         freopen("main.inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:57:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   57 |         freopen("main.out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 0: 0 / 0
• Subtask 1: 14 / 14
• Subtask 2: 0 / 6
• Subtask 3: 0 / 10
• Subtask 4: 0 / 30
• Subtask 5: 0 / 29
• Subtask 6: 0 / 11