oj.uz

Submission #1079085

# Submission time Handle Problem Language Result Execution time Memory
1079085 2024-08-28T10:32:44 Z oscar1f Tiles (BOI24_tiles) C++17
43 / 100
 45 ms 15956 KB 
#include<bits/stdc++.h>
using namespace std;

#define int long long

const int INFINI=1000*1000*1000+5,TAILLE_MAX=200*1000+5,COORD_MAX=1000+5;
int nbPoints,maxX;
pair<int,int> initPoint[TAILLE_MAX];
pair<int,int> points[TAILLE_MAX];
int cumu[COORD_MAX][COORD_MAX];
int emboite[TAILLE_MAX];

signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    cin>>nbPoints>>maxX;
    int xNouv,yNouv,posMin=0,xMin=INFINI,yMin=INFINI,maxY=0;
    for (int i=0;i<nbPoints;i++) {
        cin>>xNouv>>yNouv;
        if (xNouv<xMin or (xNouv==xMin and yNouv<yMin)) {
            posMin=i;
            xMin=xNouv;
            yMin=yNouv;
        }
        maxY=max(maxY,yNouv);
        initPoint[i]={xNouv,yNouv};
    }
    int posCour,direc=-1,nbPris=1;
    points[0]={xMin,yMin};
    for (int i=1;i<=nbPoints;i++) {
        //cout<<direc<<" "<<nbPris<<endl;
        posCour=(posMin+i)%nbPoints;
        if (points[nbPris-1].first==initPoint[posCour].first) {
            if (direc==0) {
                points[nbPris-1].second=initPoint[posCour].second;
                //cout<<0<<" "<<initPoint[posCour].first<<" "<<initPoint[posCour].second<<endl;
            }
            else {
                direc=0;
                points[nbPris]=initPoint[posCour];
                nbPris++;
            }
        }
        else {
            if (direc==1) {
                //cout<<1<<" "<<initPoint[posCour].first<<" "<<initPoint[posCour].second<<endl;
                points[nbPris-1].first=initPoint[posCour].first;
            }
            else {
                direc=1;
                points[nbPris]=initPoint[posCour];
                nbPris++;
            }
        }
    }
    nbPoints=nbPris;
    if (direc==0) {
        //cout<<"RETOURNE"<<endl;
        for (int i=0;i<nbPoints/2;i++) {
            swap(points[i],points[nbPoints-1-i]);
        }
    }
    /*for (int i=0;i<nbPoints;i++) {
        cout<<points[i].first<<" "<<points[i].second<<endl;
    }*/
    if (maxX<=1000 and maxY<=1000) {
        for (int i=0;i<nbPoints;i++) {
            points[i].first++;
            points[i].second++;
        }
        xMin++;
        yMin++;
        maxX++;
        maxY++;
        for (int i=1;i<nbPoints;i++) {
            if (points[i-1].first!=points[i].first) {
                cumu[points[i-1].first][1]++;
                cumu[points[i].first][1]--;
                cumu[points[i-1].first][points[i-1].second]--;
                cumu[points[i].first][points[i].second]++;
            }
        }
        for (int y=1;y<=maxY;y++) {
            for (int x=1;x<=maxX;x++) {
                cumu[x][y]+=cumu[x-1][y]+cumu[x][y-1]-cumu[x-1][y-1];
            } 
        }
        /*for (int y=maxY;y>0;y--) {
            for (int x=1;x<=maxX;x++) {
                cout<<cumu[x][y];
            } 
            cout<<endl;
        }*/
        for (int x=1;x<=maxX;x++) {
            for (int y=1;y<=maxY;y++) {
                if (cumu[x][y]==1) {
                    if (cumu[x+1][y]==1 and cumu[x][y+1]==1 and cumu[x+1][y+1]==1) {
                        emboite[x]=1;
                        cumu[x][y]=0;
                        cumu[x+1][y]=0;
                        cumu[x][y+1]=0;
                        cumu[x+1][y+1]=0;
                        //cout<<x<<" "<<y<<endl;
                    }
                    else {
                        for (int z=x-1;z>=0;z--) {
                            if (emboite[z]==0) {
                                cout<<z<<endl;
                                return 0;
                            }
                        }
                    }
                }
            }
        }
        cout<<maxX-1<<endl;
        return 0;
    }
    int rep=maxX;
    for (int i=1;i<nbPoints;i++) {
        if (points[i].second%2!=yMin%2) {
            rep=min(rep,points[i-1].first);
        }
        if (points[i].first%2!=xMin%2) {
            rep=min(rep,points[i].first-1);
        }
    }
    cout<<rep<<endl;
    /*if (points[0].second%2==points[2].second%2) {
        if (points[0].first%2==points[2].first%2) {
            cout<<points[2].first<<endl;
        }
        else {
            cout<<points[2].first-1<<endl;
        }
    }
    else {
        cout<<xMin<<endl;
    }*/
    return 0;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 3 ms 5836 KB Output is correct
4 Correct 2 ms 2764 KB Output is correct
5 Correct 7 ms 7516 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 3 ms 3512 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 3 ms 5836 KB Output is correct
4 Correct 2 ms 2764 KB Output is correct
5 Correct 7 ms 7516 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 3 ms 3512 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 4 ms 3420 KB Output is correct
15 Correct 3 ms 4956 KB Output is correct
16 Correct 6 ms 8284 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 6 ms 6048 KB Output is correct
20 Correct 7 ms 6748 KB Output is correct
21 Correct 6 ms 8028 KB Output is correct
22 Correct 5 ms 5348 KB Output is correct
23 Correct 4 ms 7772 KB Output is correct
24 Correct 5 ms 7260 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 4 ms 6748 KB Output is correct
30 Correct 2 ms 2908 KB Output is correct
31 Correct 6 ms 8316 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 8284 KB Output is correct
2 Correct 5 ms 2140 KB Output is correct
3 Correct 31 ms 10160 KB Output is correct
4 Correct 19 ms 5724 KB Output is correct
5 Correct 16 ms 5464 KB Output is correct
6 Correct 8 ms 8284 KB Output is correct
7 Correct 8 ms 8176 KB Output is correct
8 Correct 33 ms 10536 KB Output is correct
9 Correct 19 ms 5976 KB Output is correct
10 Correct 32 ms 10396 KB Output is correct
11 Correct 22 ms 4836 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 29 ms 10356 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct

Subtask #4
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 8 ms 8284 KB Output is correct
5 Correct 26 ms 15860 KB Output is correct
6 Correct 35 ms 15696 KB Output is correct
7 Correct 10 ms 8280 KB Output is correct
8 Correct 7 ms 7516 KB Output is correct
9 Correct 8 ms 8028 KB Output is correct
10 Correct 8 ms 8572 KB Output is correct
11 Correct 7 ms 8028 KB Output is correct
12 Correct 8 ms 8284 KB Output is correct
13 Correct 8 ms 8284 KB Output is correct
14 Correct 8 ms 8284 KB Output is correct
15 Correct 7 ms 8284 KB Output is correct
16 Correct 8 ms 8028 KB Output is correct
17 Correct 28 ms 15952 KB Output is correct
18 Correct 28 ms 15696 KB Output is correct
19 Correct 9 ms 8540 KB Output is correct
20 Correct 5 ms 4956 KB Output is correct
21 Correct 3 ms 4188 KB Output is correct
22 Correct 5 ms 4700 KB Output is correct
23 Correct 1 ms 600 KB Output is correct
24 Correct 8 ms 8536 KB Output is correct
25 Correct 4 ms 5916 KB Output is correct
26 Correct 2 ms 2908 KB Output is correct
27 Correct 6 ms 7516 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 4 ms 3676 KB Output is correct
31 Correct 4 ms 3416 KB Output is correct
32 Correct 3 ms 5204 KB Output is correct
33 Correct 6 ms 8284 KB Output is correct
34 Correct 0 ms 344 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 6 ms 5904 KB Output is correct
37 Correct 7 ms 6748 KB Output is correct
38 Correct 7 ms 7936 KB Output is correct
39 Correct 7 ms 5212 KB Output is correct
40 Correct 7 ms 7772 KB Output is correct
41 Correct 5 ms 7260 KB Output is correct
42 Correct 1 ms 348 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 464 KB Output is correct
46 Correct 5 ms 6680 KB Output is correct
47 Correct 2 ms 2908 KB Output is correct
48 Correct 9 ms 8320 KB Output is correct
49 Correct 45 ms 15956 KB Output is correct
50 Correct 45 ms 15944 KB Output is correct
51 Correct 30 ms 15408 KB Output is correct
52 Correct 37 ms 15720 KB Output is correct
53 Correct 7 ms 6748 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Correct 11 ms 8468 KB Output is correct
56 Correct 9 ms 8284 KB Output is correct
57 Correct 4 ms 4444 KB Output is correct
58 Correct 0 ms 344 KB Output is correct
59 Correct 7 ms 5724 KB Output is correct
60 Correct 1 ms 348 KB Output is correct
61 Correct 0 ms 348 KB Output is correct
62 Correct 1 ms 348 KB Output is correct
63 Correct 8 ms 8028 KB Output is correct
64 Correct 9 ms 8436 KB Output is correct
65 Correct 6 ms 6748 KB Output is correct
66 Correct 8 ms 8028 KB Output is correct
67 Correct 7 ms 8028 KB Output is correct
68 Correct 7 ms 8284 KB Output is correct
69 Correct 9 ms 8028 KB Output is correct
70 Correct 6 ms 6748 KB Output is correct
71 Correct 7 ms 8284 KB Output is correct
72 Correct 0 ms 348 KB Output is correct

Subtask #5
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 16 ms 4884 KB Output is correct
3 Correct 20 ms 4700 KB Output is correct
4 Correct 26 ms 15244 KB Output is correct
5 Correct 25 ms 15316 KB Output is correct
6 Correct 8 ms 8284 KB Output is correct
7 Correct 7 ms 8280 KB Output is correct
8 Correct 32 ms 8532 KB Output is correct
9 Correct 37 ms 8944 KB Output is correct
10 Correct 30 ms 8708 KB Output is correct
11 Correct 33 ms 8636 KB Output is correct
12 Correct 32 ms 8516 KB Output is correct
13 Correct 37 ms 8920 KB Output is correct
14 Correct 35 ms 8920 KB Output is correct
15 Correct 35 ms 8756 KB Output is correct
16 Correct 34 ms 8716 KB Output is correct
17 Correct 33 ms 8780 KB Output is correct
18 Correct 32 ms 8532 KB Output is correct
19 Correct 33 ms 8996 KB Output is correct
20 Correct 33 ms 8956 KB Output is correct
21 Correct 33 ms 8540 KB Output is correct
22 Incorrect 36 ms 8912 KB Output isn't correct
23 Halted 0 ms 0 KB -

Subtask #6
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 8532 KB Output is correct
2 Correct 22 ms 5268 KB Output is correct
3 Correct 5 ms 4956 KB Output is correct
4 Incorrect 31 ms 10368 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 3 ms 5836 KB Output is correct
4 Correct 2 ms 2764 KB Output is correct
5 Correct 7 ms 7516 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 3 ms 3512 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 4 ms 3420 KB Output is correct
15 Correct 3 ms 4956 KB Output is correct
16 Correct 6 ms 8284 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 6 ms 6048 KB Output is correct
20 Correct 7 ms 6748 KB Output is correct
21 Correct 6 ms 8028 KB Output is correct
22 Correct 5 ms 5348 KB Output is correct
23 Correct 4 ms 7772 KB Output is correct
24 Correct 5 ms 7260 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 4 ms 6748 KB Output is correct
30 Correct 2 ms 2908 KB Output is correct
31 Correct 6 ms 8316 KB Output is correct
32 Correct 7 ms 8284 KB Output is correct
33 Correct 5 ms 2140 KB Output is correct
34 Correct 31 ms 10160 KB Output is correct
35 Correct 19 ms 5724 KB Output is correct
36 Correct 16 ms 5464 KB Output is correct
37 Correct 8 ms 8284 KB Output is correct
38 Correct 8 ms 8176 KB Output is correct
39 Correct 33 ms 10536 KB Output is correct
40 Correct 19 ms 5976 KB Output is correct
41 Correct 32 ms 10396 KB Output is correct
42 Correct 22 ms 4836 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 29 ms 10356 KB Output is correct
45 Correct 0 ms 344 KB Output is correct
46 Correct 1 ms 348 KB Output is correct
47 Correct 1 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 1 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 1 ms 344 KB Output is correct
52 Correct 8 ms 8284 KB Output is correct
53 Correct 26 ms 15860 KB Output is correct
54 Correct 35 ms 15696 KB Output is correct
55 Correct 10 ms 8280 KB Output is correct
56 Correct 7 ms 7516 KB Output is correct
57 Correct 8 ms 8028 KB Output is correct
58 Correct 8 ms 8572 KB Output is correct
59 Correct 7 ms 8028 KB Output is correct
60 Correct 8 ms 8284 KB Output is correct
61 Correct 8 ms 8284 KB Output is correct
62 Correct 8 ms 8284 KB Output is correct
63 Correct 7 ms 8284 KB Output is correct
64 Correct 8 ms 8028 KB Output is correct
65 Correct 28 ms 15952 KB Output is correct
66 Correct 28 ms 15696 KB Output is correct
67 Correct 9 ms 8540 KB Output is correct
68 Correct 5 ms 4956 KB Output is correct
69 Correct 3 ms 4188 KB Output is correct
70 Correct 5 ms 4700 KB Output is correct
71 Correct 1 ms 600 KB Output is correct
72 Correct 8 ms 8536 KB Output is correct
73 Correct 4 ms 5916 KB Output is correct
74 Correct 2 ms 2908 KB Output is correct
75 Correct 6 ms 7516 KB Output is correct
76 Correct 0 ms 348 KB Output is correct
77 Correct 0 ms 348 KB Output is correct
78 Correct 4 ms 3676 KB Output is correct
79 Correct 4 ms 3416 KB Output is correct
80 Correct 3 ms 5204 KB Output is correct
81 Correct 6 ms 8284 KB Output is correct
82 Correct 0 ms 344 KB Output is correct
83 Correct 0 ms 348 KB Output is correct
84 Correct 6 ms 5904 KB Output is correct
85 Correct 7 ms 6748 KB Output is correct
86 Correct 7 ms 7936 KB Output is correct
87 Correct 7 ms 5212 KB Output is correct
88 Correct 7 ms 7772 KB Output is correct
89 Correct 5 ms 7260 KB Output is correct
90 Correct 1 ms 348 KB Output is correct
91 Correct 0 ms 348 KB Output is correct
92 Correct 0 ms 348 KB Output is correct
93 Correct 0 ms 464 KB Output is correct
94 Correct 5 ms 6680 KB Output is correct
95 Correct 2 ms 2908 KB Output is correct
96 Correct 9 ms 8320 KB Output is correct
97 Correct 45 ms 15956 KB Output is correct
98 Correct 45 ms 15944 KB Output is correct
99 Correct 30 ms 15408 KB Output is correct
100 Correct 37 ms 15720 KB Output is correct
101 Correct 7 ms 6748 KB Output is correct
102 Correct 0 ms 348 KB Output is correct
103 Correct 11 ms 8468 KB Output is correct
104 Correct 9 ms 8284 KB Output is correct
105 Correct 4 ms 4444 KB Output is correct
106 Correct 0 ms 344 KB Output is correct
107 Correct 7 ms 5724 KB Output is correct
108 Correct 1 ms 348 KB Output is correct
109 Correct 0 ms 348 KB Output is correct
110 Correct 1 ms 348 KB Output is correct
111 Correct 8 ms 8028 KB Output is correct
112 Correct 9 ms 8436 KB Output is correct
113 Correct 6 ms 6748 KB Output is correct
114 Correct 8 ms 8028 KB Output is correct
115 Correct 7 ms 8028 KB Output is correct
116 Correct 7 ms 8284 KB Output is correct
117 Correct 9 ms 8028 KB Output is correct
118 Correct 6 ms 6748 KB Output is correct
119 Correct 7 ms 8284 KB Output is correct
120 Correct 0 ms 348 KB Output is correct
121 Correct 0 ms 348 KB Output is correct
122 Correct 16 ms 4884 KB Output is correct
123 Correct 20 ms 4700 KB Output is correct
124 Correct 26 ms 15244 KB Output is correct
125 Correct 25 ms 15316 KB Output is correct
126 Correct 8 ms 8284 KB Output is correct
127 Correct 7 ms 8280 KB Output is correct
128 Correct 32 ms 8532 KB Output is correct
129 Correct 37 ms 8944 KB Output is correct
130 Correct 30 ms 8708 KB Output is correct
131 Correct 33 ms 8636 KB Output is correct
132 Correct 32 ms 8516 KB Output is correct
133 Correct 37 ms 8920 KB Output is correct
134 Correct 35 ms 8920 KB Output is correct
135 Correct 35 ms 8756 KB Output is correct
136 Correct 34 ms 8716 KB Output is correct
137 Correct 33 ms 8780 KB Output is correct
138 Correct 32 ms 8532 KB Output is correct
139 Correct 33 ms 8996 KB Output is correct
140 Correct 33 ms 8956 KB Output is correct
141 Correct 33 ms 8540 KB Output is correct
142 Incorrect 36 ms 8912 KB Output isn't correct
143 Halted 0 ms 0 KB -