Submission #675972

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
675972	2022-12-28 17:01:35	abcvuitunggio	Intergalactic ship (IZhO19_xorsum)	C++17	100 / 100	1319 ms	27724 KiB

xorsum

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#include <iostream>
#include <cstring>
#define int long long
using namespace std;
const int mod=1000000007;
int n,q,a[1001],dp[1010][1010][3],l[100001],r[100001],x[100001],pw=1,res;
void update(int i, int j, int i2, int j2, int idx){
    if (j>j2||i>i2)
        return;
    dp[i][j][idx]++;
    dp[i2+1][j][idx]--;
    dp[i][j2+1][idx]--;
    dp[i2+1][j2+1][idx]++;
}
int ch(int x, int y){
    return (!x?!y:(mod+1)/2);
}
int32_t main(){
    ios_base::sync_with_stdio(NULL);cin.tie(nullptr);
    cin >> n;
    for (int i=1;i<=n;i++)
        cin >> a[i];
    cin >> q;
    for (int i=1;i<=q;i++){
        cin >> l[i] >> r[i] >> x[i];
        pw=pw*2%mod;
    }
    for (int i=0;i<7;i++){
        for (int j=0;j<7;j++){
            memset(dp,0,sizeof(dp));
 
 
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• Subtask 1: 4 / 4
• Subtask 2: 5 / 5
• Subtask 3: 6 / 6
• Subtask 4: 9 / 9
• Subtask 5: 8 / 8
• Subtask 6: 11 / 11
• Subtask 7: 19 / 19
• Subtask 8: 30 / 30
• Subtask 9: 8 / 8