Submission #1028724

#	Time	Username	Problem	Language	Result	Execution time	Memory
1028724		DeltaStruct	산악 구조대 (JOI13_mountain)	C++17	100 / 100	4 ms	1116 KiB

mountain

#include <bits/stdc++.h>
using namespace std;
int Measure(int RM,int CM);
void Pinpoint(int RP,int CP);
/*
vector<vector<int>> high; vector<pair<int,int>> ans;
int Measure(int RM,int CM){ return high[RM-1][CM-1]; }
void Pinpoint(int RP,int CP){ ans.emplace_back(RP,CP); }
void Rescue(int R,int C,int MR,int MC,int X);
int main(){
  int q; cin >> q; while(q--){
    int R,C,MR,MC,X; cin >> R >> C >> MR >> MC >> X;
    high.resize(R);
    for (auto& a:high){
      a.resize(C); for (int& b:a) cin >> b;
    }
    Rescue(R,C,MR,MC,X);
  }
  for (auto [a,b]:ans) cout << a << ' ' << b << endl;
}
//*/
 
void Rescue(int R,int C,int MR,int MC,int X){
  --MR;
  int x = 0,y = MC-1;
  while(x!=MR+1&&y!=-1){
    int r = Measure(x+1,y+1);
    if (r==X){
      Pinpoint(x+1,y+1);
      return;
    }
    if (r<X) ++x;
    else --y;
  }
  x = 0,y = MC-1;
  while(x!=MR+1&&y!=C){
    int r = Measure(x+1,y+1);
    if (r==X){
      Pinpoint(x+1,y+1);
      return;
    }
    if (r<X) ++x;
    else ++y;
  }
  x = R-1,y = MC-1;
  while(x!=MR-1&&y!=-1){
    int r = Measure(x+1,y+1);
    if (r==X){
      Pinpoint(x+1,y+1);
      return;
    }
    if (r<X) --x;
    else --y;
  }
  x = R-1,y = MC-1;
  while(x!=MR-1&&y!=C){
    int r = Measure(x+1,y+1);
    if (r==X){
      Pinpoint(x+1,y+1);
      return;
    }
    if (r<X) --x;
    else ++y;
  }
}

• Subtask 1: 20 / 20
• Subtask 2: 80 / 80