#include <algorithm> #include <cstdio> #include <map> #include <set> #include <vector> #define PRA_BRUT_ENABLED using namespace std; static const int N = 500000; static const int M = 500000; static int t[N + 1]; static int p[M]; static int x[M]; static int u[M]; static map<int, int> s[M]; static bool compare(const int i, const int j) { if (i == j) { return false; } for(int k = 0; k < s[i].size(); k++) { const int r = s[i][k] - s[j][k]; if (r) { return r < 0; } } return i < j; } static void readTemperatures(int t[], const int n) { for(int i = 1; i <= n; i++) { scanf("%d", t + i); } } static void readChanges(int p[], int x[], const int m) { for(int i = 1; i < m; i++) { scanf("%d%d", p + i, x + i); } } static void buildStates(int u[], map<int, int> s[], int t[], const int p[], const int x[], const int m) { const set<int> dset(p + 1, p + m); const vector<int> d(dset.begin(), dset.end()); for(int i = 0; i < d.size(); i++) { s[0][i] = t[d[i]]; } u[0] = 0; for(int i = 1; i < m; i++) { u[i] = i; t[p[i]] = x[i]; for(int j = 0; j < d.size(); j++) { s[i][j] = t[d[j]]; } } } static void print(const int u[], const int m) { for(int i = 0; i < m; i++) { printf("%d ", u[i] + 1); } printf("\n"); } #ifdef PRA_BRUT_ENABLED int main() { int n, m; scanf("%d%d", &n, &m); readTemperatures(t, n); readChanges(p, x, m); buildStates(u, s, t, p, x, m); sort(u, u + m, compare); print(u, m); return 0; } #endif
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 | #include <algorithm> #include <cstdio> #include <map> #include <set> #include <vector> #define PRA_BRUT_ENABLED using namespace std; static const int N = 500000; static const int M = 500000; static int t[N + 1]; static int p[M]; static int x[M]; static int u[M]; static map<int, int> s[M]; static bool compare(const int i, const int j) { if (i == j) { return false; } for(int k = 0; k < s[i].size(); k++) { const int r = s[i][k] - s[j][k]; if (r) { return r < 0; } } return i < j; } static void readTemperatures(int t[], const int n) { for(int i = 1; i <= n; i++) { scanf("%d", t + i); } } static void readChanges(int p[], int x[], const int m) { for(int i = 1; i < m; i++) { scanf("%d%d", p + i, x + i); } } static void buildStates(int u[], map<int, int> s[], int t[], const int p[], const int x[], const int m) { const set<int> dset(p + 1, p + m); const vector<int> d(dset.begin(), dset.end()); for(int i = 0; i < d.size(); i++) { s[0][i] = t[d[i]]; } u[0] = 0; for(int i = 1; i < m; i++) { u[i] = i; t[p[i]] = x[i]; for(int j = 0; j < d.size(); j++) { s[i][j] = t[d[j]]; } } } static void print(const int u[], const int m) { for(int i = 0; i < m; i++) { printf("%d ", u[i] + 1); } printf("\n"); } #ifdef PRA_BRUT_ENABLED int main() { int n, m; scanf("%d%d", &n, &m); readTemperatures(t, n); readChanges(p, x, m); buildStates(u, s, t, p, x, m); sort(u, u + m, compare); print(u, m); return 0; } #endif |