#include<cstdio> #include<algorithm> #include<vector> using namespace std; #define N_MAX 300005 #ifndef DEB_VAL #define DEB_VAL 0 #endif #define DEB if(debug) #define MP make_pair #define PB push_back #define FT first #define SD second int debug = DEB_VAL; int n; char input[N_MAX]; int L_left[N_MAX]; int L_right[N_MAX]; int P_left[N_MAX]; int P_right[N_MAX]; int main() { DEB { printf("UWAGA\n"); } scanf("%d", &n); scanf("%s", input); int act_l=0; int act_p=0; for(int i=0;i<n;i++) { L_left[i] = act_l; P_left[i] = act_p; if(input[i]=='L') { act_l++; } else { act_p++; } } act_l=0; act_p=0; for(int i=n-1;i>=0;i--) { L_right[i] = act_l; P_right[i] = act_p; if(input[i]=='L') { act_l++; } else { act_p++; } } DEB { for(int i=0;i<n;i++) { printf("%d, ", L_left[i]); } printf("\n"); for(int i=0;i<n;i++) { printf("%d, ", L_right[i]); } printf("\n"); for(int i=0;i<n;i++) { printf("%d, ", P_left[i]); } printf("\n"); for(int i=0;i<n;i++) { printf("%d, ", P_right[i]); } printf("\n"); } //output for(int i=0;i<n;i++) { if(input[i]=='P') { if(L_right[i] > P_left[i]) printf("%d ", P_left[i]*2+1); else printf("%d ", L_right[i]*2); } else { if(P_left[i] > L_right[i]) printf("%d ", L_right[i]*2+1); else printf("%d ", P_left[i]*2); } } DEB { printf("\n"); } return 0; }
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 | #include<cstdio> #include<algorithm> #include<vector> using namespace std; #define N_MAX 300005 #ifndef DEB_VAL #define DEB_VAL 0 #endif #define DEB if(debug) #define MP make_pair #define PB push_back #define FT first #define SD second int debug = DEB_VAL; int n; char input[N_MAX]; int L_left[N_MAX]; int L_right[N_MAX]; int P_left[N_MAX]; int P_right[N_MAX]; int main() { DEB { printf("UWAGA\n"); } scanf("%d", &n); scanf("%s", input); int act_l=0; int act_p=0; for(int i=0;i<n;i++) { L_left[i] = act_l; P_left[i] = act_p; if(input[i]=='L') { act_l++; } else { act_p++; } } act_l=0; act_p=0; for(int i=n-1;i>=0;i--) { L_right[i] = act_l; P_right[i] = act_p; if(input[i]=='L') { act_l++; } else { act_p++; } } DEB { for(int i=0;i<n;i++) { printf("%d, ", L_left[i]); } printf("\n"); for(int i=0;i<n;i++) { printf("%d, ", L_right[i]); } printf("\n"); for(int i=0;i<n;i++) { printf("%d, ", P_left[i]); } printf("\n"); for(int i=0;i<n;i++) { printf("%d, ", P_right[i]); } printf("\n"); } //output for(int i=0;i<n;i++) { if(input[i]=='P') { if(L_right[i] > P_left[i]) printf("%d ", P_left[i]*2+1); else printf("%d ", L_right[i]*2); } else { if(P_left[i] > L_right[i]) printf("%d ", L_right[i]*2+1); else printf("%d ", P_left[i]*2); } } DEB { printf("\n"); } return 0; } |