Submission #145055

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
145055	2019-08-18 15:36:57	karma	Global Warming (CEOI18_glo)	C++11	100 / 100	525 ms	23012 KiB

glo

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#include<bits/stdc++.h>
#define FileName      "test"
#define ll            long long
#define pb            emplace_back
#define mp            make_pair
#define x             first
#define y             second
//#define LuckyAurora
#pragma GCC optimization ("O3")
using namespace std;
const int N = 2e5 + 3;
int t[N], n, x, res = 0, pos, cur0, cur1;
vector<int> v;
struct TSegment {
    vector<int> l, h, st;
    TSegment() {}
    TSegment(int n) {l.resize(4 * n + 1), h.resize(4 * n + 1), st.resize(4 * n + 1);}
    void Build(int x, int low, int high)
    {
        l[x] = low, h[x] = high;
        if(l[x] == h[x]) {
            st[x] = 0;
            return;
        }
        int mid = (low + high) >> 1;
        Build(x << 1, low, mid);
        Build(x << 1 | 1, mid + 1, high);
 
 
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Compilation message (stderr)

glo.cpp:9:0: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
 #pragma GCC optimization ("O3")
 
glo.cpp: In function 'int main()':
glo.cpp:56:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
         freopen("test.inp", "r", stdin);
         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
glo.cpp:57:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
         freopen("test.out", "w", stdout);
         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 13 / 13
• Subtask 4: 10 / 10
• Subtask 5: 20 / 20
• Subtask 6: 17 / 17
• Subtask 7: 25 / 25