Submission #2095757


Source Code Expand

#include "bits/stdc++.h"
using namespace std;
const long long mod = 1000000007;
const int maxn = 222222;
long long a[maxn], b[maxn];
long long tr[2][maxn<<2];
int n;
void modify(int id, int l, int r, int x, int aa, int bb){
    if(l == r){
        if(l == 1 || l == n){
            tr[0][id] = aa;
            tr[1][id] = -(1ll<<60);
        } else {
            tr[0][id] = aa;
            tr[1][id] = bb;
        }
    } else {
        int mid = (l + r)>>1;
        if(x <= mid) modify(id<<1, l, mid, x, aa, bb);
        else modify(id<<1|1, mid + 1, r, x, aa, bb);
        tr[0][id] = max(tr[0][id<<1] + tr[0][id<<1|1], tr[1][id<<1] + tr[1][id<<1|1]);
        tr[1][id] = max(tr[1][id<<1] + tr[0][id<<1|1], tr[0][id<<1] + tr[1][id<<1|1]);
    }
}
int main(){
    int q;
    scanf("%d %d", &n, &q);
    n *= 2;
    for(int e = 1; e <= n; e++){
        scanf("%lld", a + e);
    }
    for(int e = 1; e <= n; e++){
        scanf("%lld", b + e);
    }
    for(int e = 1; e <= n; e++){
        modify(1, 1, n, e, a[e], b[e]);
    }
    while(q--){
        int x, aa, bb;
        scanf("%d %d %d", &x, &aa, &bb);
        modify(1, 1, n, x, aa, bb);
        printf("%lld\n", tr[0][1]);
    }
	return 0;
}

Submission Info

Submission Time
Task C - Paired Parentheses
User FMota
Language C++14 (GCC 5.4.1)
Score 700
Code Size 1246 Byte
Status AC
Exec Time 137 ms
Memory 18944 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:27:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &n, &q);
                           ^
./Main.cpp:30:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%lld", a + e);
                             ^
./Main.cpp:33:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%lld", b + e);
                             ^
./Main.cpp:40:40: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d %d", &x, &aa, &bb);
                                        ^

Judge Result

Set Name Sample Subtask1 Subtask2 All
Score / Max Score 0 / 0 200 / 200 300 / 300 200 / 200
Status
AC × 2
AC × 14
AC × 15
AC × 43
Set Name Test Cases
Sample 00_example_01.txt, 00_example_02.txt
Subtask1 00_example_01.txt, s1_01.txt, s1_02.txt, s1_03.txt, s1_04.txt, s1_05.txt, s1_06.txt, s1_07.txt, s1_08.txt, s1_09.txt, s1_10.txt, s1_11.txt, s1_12.txt, s1_13.txt
Subtask2 s2_14.txt, s2_15.txt, s2_16.txt, s2_17.txt, s2_18.txt, s2_19.txt, s2_20.txt, s2_21.txt, s2_22.txt, s2_23.txt, s2_24.txt, s2_25.txt, s2_26.txt, s2_27.txt, s2_28.txt
All 00_example_01.txt, 00_example_02.txt, s1_01.txt, s1_02.txt, s1_03.txt, s1_04.txt, s1_05.txt, s1_06.txt, s1_07.txt, s1_08.txt, s1_09.txt, s1_10.txt, s1_11.txt, s1_12.txt, s1_13.txt, s2_14.txt, s2_15.txt, s2_16.txt, s2_17.txt, s2_18.txt, s2_19.txt, s2_20.txt, s2_21.txt, s2_22.txt, s2_23.txt, s2_24.txt, s2_25.txt, s2_26.txt, s2_27.txt, s2_28.txt, s3_29.txt, s3_30.txt, s3_31.txt, s3_32.txt, s3_33.txt, s3_34.txt, s3_35.txt, s3_36.txt, s3_37.txt, s3_38.txt, s3_39.txt, s3_40.txt, s3_41.txt
Case Name Status Exec Time Memory
00_example_01.txt AC 2 ms 6400 KB
00_example_02.txt AC 2 ms 6400 KB
s1_01.txt AC 2 ms 6400 KB
s1_02.txt AC 2 ms 6400 KB
s1_03.txt AC 2 ms 6400 KB
s1_04.txt AC 2 ms 6400 KB
s1_05.txt AC 2 ms 6400 KB
s1_06.txt AC 2 ms 6400 KB
s1_07.txt AC 2 ms 6400 KB
s1_08.txt AC 2 ms 6400 KB
s1_09.txt AC 2 ms 6400 KB
s1_10.txt AC 2 ms 6400 KB
s1_11.txt AC 2 ms 6400 KB
s1_12.txt AC 2 ms 6400 KB
s1_13.txt AC 2 ms 6400 KB
s2_14.txt AC 5 ms 6656 KB
s2_15.txt AC 5 ms 6656 KB
s2_16.txt AC 48 ms 16896 KB
s2_17.txt AC 40 ms 12672 KB
s2_18.txt AC 69 ms 17408 KB
s2_19.txt AC 69 ms 17408 KB
s2_20.txt AC 69 ms 17408 KB
s2_21.txt AC 69 ms 17408 KB
s2_22.txt AC 5 ms 6656 KB
s2_23.txt AC 5 ms 6656 KB
s2_24.txt AC 5 ms 6656 KB
s2_25.txt AC 74 ms 17408 KB
s2_26.txt AC 74 ms 17408 KB
s2_27.txt AC 76 ms 17408 KB
s2_28.txt AC 74 ms 17408 KB
s3_29.txt AC 52 ms 12928 KB
s3_30.txt AC 58 ms 8320 KB
s3_31.txt AC 57 ms 17152 KB
s3_32.txt AC 110 ms 18304 KB
s3_33.txt AC 52 ms 12928 KB
s3_34.txt AC 130 ms 18944 KB
s3_35.txt AC 130 ms 18944 KB
s3_36.txt AC 132 ms 18944 KB
s3_37.txt AC 137 ms 18944 KB
s3_38.txt AC 133 ms 18944 KB
s3_39.txt AC 132 ms 18944 KB
s3_40.txt AC 40 ms 7168 KB
s3_41.txt AC 40 ms 7168 KB