Submission #992974

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
992974	2024-06-05 08:42:52	79brue	Escape Route 2 (JOI24_escape2)	C++17	100 / 100	690 ms	358364 KiB

Main

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll INF = 1e18;
const int DEPTH = 17;
struct segTree{
    int minV[400002], minIdx[400002];
    void init(int i, int l, int r, int *A){
        if(l==r){
            minV[i] = A[l], minIdx[i] = l;
            return;
        }
        int m = (l+r)>>1;
        init(i*2, l, m, A);
        init(i*2+1, m+1, r, A);
        if(minV[i*2] <= minV[i*2+1]) minV[i] = minV[i*2], minIdx[i] = minIdx[i*2];
        else minV[i] = minV[i*2+1], minIdx[i] = minIdx[i*2+1];
    }
    pair<int, int> query(int i, int l, int r, int s, int e){
        if(r<s || e<l) return make_pair(INT_MAX, -1);
        if(s<=l && r<=e) return make_pair(minV[i], minIdx[i]);
        int m = (l+r)>>1;
        return min(query(i*2, l, m, s, e), query(i*2+1, m+1, r, s, e));
    }
} tree;
 
 
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Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:96:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   96 |     scanf("%d %lld", &n, &T);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~
Main.cpp:99:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   99 |         scanf("%d", &s);
      |         ~~~~~^~~~~~~~~~
Main.cpp:103:37: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  103 |         for(int j=0; j<s; j++) scanf("%lld %lld", &vec[j].x, &vec[j].y);
      |                                ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:139:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  139 |     scanf("%d", &q);
      |     ~~~~~^~~~~~~~~~
Main.cpp:142:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  142 |         scanf("%d %d", &l, &r);
      |         ~~~~~^~~~~~~~~~~~~~~~~

• Subtask 1: 6 / 6
• Subtask 2: 8 / 8
• Subtask 3: 17 / 17
• Subtask 4: 23 / 23
• Subtask 5: 36 / 36
• Subtask 6: 10 / 10