#include <bits/stdc++.h> #define int long long #define pii pair<int, int> #define piii pair<int, pair<int, int>> #define st first #define nd second.first #define rd second.second #define For(i, l, r) for (int i = l; i <= r; i++) #define Forcin(l, r, a) \ for (int i = l; i <= r; i++) \ cin >> a[i]; #define Ford(i, l, r) for (int i = l; i >= r; i--) #define ben(v) v.begin(), v.end() #define LOCAL 0 #define LOCAL2 0 using namespace std; const int M = 1000005, inf = 1e9; int a[M], c = 0, searched = -1, ac[M]; void solve() { c++; int n; cin >> n; For(i, 1, n) cin >> a[i]; a[n + 1] = 0; /* if (c==100){ cout << n<<'\n'; For(i, 1, n) cout<<a[i]<<' '; } */ int bigg = 0, b2 = 0; int fpos = inf, lpos = 0; For(i, 1, n) { if (a[i] == 0) continue; fpos = min(fpos, i); lpos = max(lpos, i); if (a[i] > a[i - 1] + a[i + 1]) { bigg += (a[i] - a[i - 1] - a[i + 1]); if ((i > 2 && a[i - 2]) || (i < n - 1 && a[i + 2])) bigg += 2; } if (i % 2) b2 += a[i]; else b2 -= a[i]; } if (abs(b2) > 1) bigg += 2; For(i, fpos + 1, lpos - 1) if (a[i] == 0) bigg += 2; if (bigg > 1) cout << "NIE\n"; else cout << "TAK\n"; } void solve2() { c++; bool cor = 1; int n; cin >> n; For(i, 1, n){ cin >>a[i]; ac[i]=a[i]; } if (c == searched) { cout << n << '\n'; For(i, 1, n) cout << a[i] << ' '; } a[n + 1] = 0; int start = 0, end = 0, par = 0; For(i, 1, n) if (a[i] > 0) { start = i; break; } Ford(i, n, 1) if (a[i] > 0) { end = i; break; } for (int i = start; i <= end; i += 2) par += a[i]; for (int i = start + 1; i <= end; i += 2) par -= a[i]; For(i, start, end) if (a[i] == 0) cor = 0; if (abs(par) > 1) cor = 0; int used_ones = 0, ended = start - 1; if (par == -1) ended = start; For(i, start, end) { int mini = min(a[i], a[i + 1]); a[i] -= mini; a[i + 1] -= mini; if (mini > 0 && ended == i - 1) ended = i + 1; /* if (a[i] > 1 || (a[i] == 1 && (((i - start) % 2 == 0 && par != 1) || ((i - start) % 2 == 1 && par != -1)))) { cor = 0; } */ // used_ones += a[i]; if (ended < i) { break; } } if (a[ended + 1] > 0) a[ended + 1]--; else if (a[ended - 1] > 0) a[ended - 1]--; For(i, start, end) used_ones += a[i]; if (used_ones > 0 && cor && par != 0) { cor = 0; } else if (used_ones > 0 && cor) { used_ones = 0, ended = start; For(i, start, end) { int mini = min(ac[i], ac[i + 1]); ac[i] -= mini; ac[i + 1] -= mini; if (mini > 0 && ended == i - 1) ended = i + 1; if (ended < i) { break; } } if (ac[ended + 1] > 0) ac[ended + 1]--; else if (ac[ended - 1] > 0) ac[ended - 1]--; For(i, start, end) used_ones += ac[i]; if (used_ones>0){ cor=0; } } if (searched == -1 || c == searched) cout << (cor ? "TAK" : "NIE") << '\n'; } signed main() { cin.tie(0)->sync_with_stdio(); if (LOCAL) freopen("wyl/all.in", "r", stdin); if (LOCAL2) freopen("local_out.txt", "w", stdout); int t; cin >> t; while (t--) solve2(); }
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 | #include <bits/stdc++.h> #define int long long #define pii pair<int, int> #define piii pair<int, pair<int, int>> #define st first #define nd second.first #define rd second.second #define For(i, l, r) for (int i = l; i <= r; i++) #define Forcin(l, r, a) \ for (int i = l; i <= r; i++) \ cin >> a[i]; #define Ford(i, l, r) for (int i = l; i >= r; i--) #define ben(v) v.begin(), v.end() #define LOCAL 0 #define LOCAL2 0 using namespace std; const int M = 1000005, inf = 1e9; int a[M], c = 0, searched = -1, ac[M]; void solve() { c++; int n; cin >> n; For(i, 1, n) cin >> a[i]; a[n + 1] = 0; /* if (c==100){ cout << n<<'\n'; For(i, 1, n) cout<<a[i]<<' '; } */ int bigg = 0, b2 = 0; int fpos = inf, lpos = 0; For(i, 1, n) { if (a[i] == 0) continue; fpos = min(fpos, i); lpos = max(lpos, i); if (a[i] > a[i - 1] + a[i + 1]) { bigg += (a[i] - a[i - 1] - a[i + 1]); if ((i > 2 && a[i - 2]) || (i < n - 1 && a[i + 2])) bigg += 2; } if (i % 2) b2 += a[i]; else b2 -= a[i]; } if (abs(b2) > 1) bigg += 2; For(i, fpos + 1, lpos - 1) if (a[i] == 0) bigg += 2; if (bigg > 1) cout << "NIE\n"; else cout << "TAK\n"; } void solve2() { c++; bool cor = 1; int n; cin >> n; For(i, 1, n){ cin >>a[i]; ac[i]=a[i]; } if (c == searched) { cout << n << '\n'; For(i, 1, n) cout << a[i] << ' '; } a[n + 1] = 0; int start = 0, end = 0, par = 0; For(i, 1, n) if (a[i] > 0) { start = i; break; } Ford(i, n, 1) if (a[i] > 0) { end = i; break; } for (int i = start; i <= end; i += 2) par += a[i]; for (int i = start + 1; i <= end; i += 2) par -= a[i]; For(i, start, end) if (a[i] == 0) cor = 0; if (abs(par) > 1) cor = 0; int used_ones = 0, ended = start - 1; if (par == -1) ended = start; For(i, start, end) { int mini = min(a[i], a[i + 1]); a[i] -= mini; a[i + 1] -= mini; if (mini > 0 && ended == i - 1) ended = i + 1; /* if (a[i] > 1 || (a[i] == 1 && (((i - start) % 2 == 0 && par != 1) || ((i - start) % 2 == 1 && par != -1)))) { cor = 0; } */ // used_ones += a[i]; if (ended < i) { break; } } if (a[ended + 1] > 0) a[ended + 1]--; else if (a[ended - 1] > 0) a[ended - 1]--; For(i, start, end) used_ones += a[i]; if (used_ones > 0 && cor && par != 0) { cor = 0; } else if (used_ones > 0 && cor) { used_ones = 0, ended = start; For(i, start, end) { int mini = min(ac[i], ac[i + 1]); ac[i] -= mini; ac[i + 1] -= mini; if (mini > 0 && ended == i - 1) ended = i + 1; if (ended < i) { break; } } if (ac[ended + 1] > 0) ac[ended + 1]--; else if (ac[ended - 1] > 0) ac[ended - 1]--; For(i, start, end) used_ones += ac[i]; if (used_ones>0){ cor=0; } } if (searched == -1 || c == searched) cout << (cor ? "TAK" : "NIE") << '\n'; } signed main() { cin.tie(0)->sync_with_stdio(); if (LOCAL) freopen("wyl/all.in", "r", stdin); if (LOCAL2) freopen("local_out.txt", "w", stdout); int t; cin >> t; while (t--) solve2(); } |