Submission #72898623

Source Code Expand

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

void sol() {
    int n;
    cin >> n;
    vector<int> a(n);
    for (int i = 0; i < n; ++i) {
        cin >> a[i];
    }

    if (n == 1) {
        cout << 0 << endl;
        return;
    }

    // 前缀最小值
    vector<int> left_min(n);
    left_min[0] = a[0];
    for (int i = 1; i < n; ++i) {
        left_min[i] = min(left_min[i-1], a[i] - i);
    }



    // 后缀最小值
    vector<int> right_min(n);
    right_min[n-1] = a[n-1] + (n-1);
    for (int i = n-2; i >= 0; --i) {
        right_min[i] = min(right_min[i+1], a[i] + i);
    }

//    for (int i = 0; i < n; ++i) {
//        cout << left_min[i] << " ";
//    }cout << endl;
//
//    for (int i = 0; i < n; ++i) {
//        cout << right_min[i] << " ";
//    }cout << endl;


    int ans = 0;
    for (int i = 0; i < n; ++i) {
        int c1 = i + left_min[i];
        int c2 = -i + right_min[i];
        int b = min(c1, c2);
        ans += a[i] - b;
    }

    cout << ans << endl;
}

signed main() {
    int t;cin >> t;
    while (t--) {
        sol();
    }
    return 0;
}

Submission Info

Submission Time
Task D - Pawn Line
User cslgZ09224220
Language C++23 (GCC 15.2.0)
Score 400
Code Size 1179 Byte
Status AC
Exec Time 54 ms
Memory 10304 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 400 / 400
Status
AC × 1
AC × 72
Set Name Test Cases
Sample sample_01.txt
All killer_01.txt, killer_02.txt, killer_03.txt, killer_04.txt, killer_05.txt, killer_06.txt, sample_01.txt, test_01.txt, test_02.txt, test_03.txt, test_04.txt, test_05.txt, test_06.txt, test_07.txt, test_08.txt, test_09.txt, test_10.txt, test_11.txt, test_12.txt, test_13.txt, test_14.txt, test_15.txt, test_16.txt, test_17.txt, test_18.txt, test_19.txt, test_20.txt, test_21.txt, test_22.txt, test_23.txt, test_24.txt, test_25.txt, test_26.txt, test_27.txt, test_28.txt, test_29.txt, test_30.txt, test_31.txt, test_32.txt, test_33.txt, test_34.txt, test_35.txt, test_36.txt, test_37.txt, test_38.txt, test_39.txt, test_40.txt, test_41.txt, test_42.txt, test_43.txt, test_44.txt, test_45.txt, test_46.txt, test_47.txt, test_48.txt, test_49.txt, test_50.txt, test_51.txt, test_52.txt, test_53.txt, test_54.txt, test_55.txt, test_56.txt, test_57.txt, test_58.txt, test_59.txt, test_60.txt, test_61.txt, test_62.txt, test_63.txt, test_64.txt, test_65.txt
Case Name Status Exec Time Memory
killer_01.txt AC 52 ms 10300 KiB
killer_02.txt AC 52 ms 10248 KiB
killer_03.txt AC 52 ms 10232 KiB
killer_04.txt AC 51 ms 10192 KiB
killer_05.txt AC 52 ms 10264 KiB
killer_06.txt AC 52 ms 10132 KiB
sample_01.txt AC 1 ms 3400 KiB
test_01.txt AC 32 ms 3468 KiB
test_02.txt AC 37 ms 3368 KiB
test_03.txt AC 40 ms 3408 KiB
test_04.txt AC 44 ms 3464 KiB
test_05.txt AC 48 ms 3556 KiB
test_06.txt AC 45 ms 3428 KiB
test_07.txt AC 42 ms 3556 KiB
test_08.txt AC 40 ms 3476 KiB
test_09.txt AC 39 ms 3412 KiB
test_10.txt AC 33 ms 3412 KiB
test_11.txt AC 33 ms 3556 KiB
test_12.txt AC 34 ms 3400 KiB
test_13.txt AC 34 ms 3412 KiB
test_14.txt AC 39 ms 3648 KiB
test_15.txt AC 38 ms 3640 KiB
test_16.txt AC 45 ms 4028 KiB
test_17.txt AC 45 ms 3924 KiB
test_18.txt AC 45 ms 3980 KiB
test_19.txt AC 45 ms 3976 KiB
test_20.txt AC 52 ms 10192 KiB
test_21.txt AC 52 ms 10248 KiB
test_22.txt AC 52 ms 10300 KiB
test_23.txt AC 52 ms 10232 KiB
test_24.txt AC 52 ms 10304 KiB
test_25.txt AC 52 ms 10304 KiB
test_26.txt AC 52 ms 10236 KiB
test_27.txt AC 52 ms 10232 KiB
test_28.txt AC 51 ms 10304 KiB
test_29.txt AC 52 ms 10132 KiB
test_30.txt AC 48 ms 7176 KiB
test_31.txt AC 48 ms 7152 KiB
test_32.txt AC 51 ms 10004 KiB
test_33.txt AC 49 ms 7152 KiB
test_34.txt AC 51 ms 9040 KiB
test_35.txt AC 50 ms 9424 KiB
test_36.txt AC 47 ms 6224 KiB
test_37.txt AC 49 ms 8424 KiB
test_38.txt AC 51 ms 10044 KiB
test_39.txt AC 48 ms 7616 KiB
test_40.txt AC 54 ms 10236 KiB
test_41.txt AC 48 ms 10300 KiB
test_42.txt AC 54 ms 10236 KiB
test_43.txt AC 48 ms 10232 KiB
test_44.txt AC 53 ms 10248 KiB
test_45.txt AC 54 ms 10248 KiB
test_46.txt AC 54 ms 10108 KiB
test_47.txt AC 54 ms 10248 KiB
test_48.txt AC 54 ms 10248 KiB
test_49.txt AC 54 ms 10248 KiB
test_50.txt AC 54 ms 10304 KiB
test_51.txt AC 54 ms 10232 KiB
test_52.txt AC 54 ms 10108 KiB
test_53.txt AC 54 ms 10228 KiB
test_54.txt AC 54 ms 10256 KiB
test_55.txt AC 54 ms 10228 KiB
test_56.txt AC 54 ms 10272 KiB
test_57.txt AC 48 ms 10236 KiB
test_58.txt AC 54 ms 10300 KiB
test_59.txt AC 52 ms 10248 KiB
test_60.txt AC 48 ms 10192 KiB
test_61.txt AC 53 ms 10304 KiB
test_62.txt AC 54 ms 10256 KiB
test_63.txt AC 52 ms 10248 KiB
test_64.txt AC 41 ms 10192 KiB
test_65.txt AC 41 ms 10248 KiB