Submission #146180

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
146180	2019-08-22 17:14:19	imeimi2000	Intergalactic ship (IZhO19_xorsum)	C++17	100 / 100	982 ms	6996 KiB

xorsum

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#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;
typedef long long llong;
const int mod = 1e9 + 7;
int n, q;
int A[1001];
struct _qs {
    int l, r, x;
    void scan() {
        cin >> l >> r >> x;
    }
} qs[100000];
int P2[100001];
int cnt[1001][1001];
int S[7][1002];
int solve(int a, int b) {
    for (int i = 1; i <= n; ++i) {
        for (int j = 1; j <= i; ++j) {
            cnt[j][i] = 0;
        }
    }
    for (int it = 0; it < q; ++it) {
        _qs i = qs[it];
        bool b1 = (i.x >> a) & 1, b2 = (i.x >> b) & 1;
 
 
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Compilation message (stderr)

xorsum.cpp: In function 'int solve(int, int)':
xorsum.cpp:73:30: warning: suggest parentheses around '+' inside '<<' [-Wparentheses]
             ret += (sum << a + b) % mod * v;
                            ~~^~~

• 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