#include<cstdio> #include<algorithm> #define S 500007 using namespace std; int T[S]; int minPref[S]; int maxSuf[S]; int ans[S]; int main(void){ int n,k; scanf("%d %d",&n,&k); for(int i = 1; i <= n;i++){ scanf("%d",&T[i]); } if(k == 2){ minPref[1] = T[1]; for(int i = 2; i <= n;i++){ minPref[i] = min(minPref[i-1],T[i]); } maxSuf[n] = T[n]; for(int i = n-1; i >= 1;i--){ maxSuf[i] = max(maxSuf[i+1],T[i]); } for(int i = 1; i < n;i++){ if(minPref[i] >= maxSuf[i+1]){ printf("TAK\n%d",i); return 0; } } printf("NIE"); return 0; }else if(k == 3){ int mini = 1e9 + 100; int lastMini = 0; int maxi = -1; int firstMaxi = -1; for(int i = 1; i <= n;i++){ if(T[i] <= mini){ mini = T[i]; lastMini = i; } if(T[i] > maxi){ maxi = T[i]; firstMaxi = i; } } if(firstMaxi == n && lastMini == 1){ printf("NIE"); return 0; } printf("TAK\n"); if(firstMaxi != n){ if(firstMaxi == 1){ printf("%d %d",1,2); }else{ printf("%d %d",firstMaxi-1,firstMaxi); } return 0; } if(lastMini != 1){ if(lastMini == n){ printf("%d %d",n-2,n-1); }else{ printf("%d %d",lastMini-1,lastMini); } return 0; } }else{ bool good = false; k--; for(int i = 1; i < n;i++){ if(T[i] >= T[i+1]){ good = true; ans[i] = 1; k--; if(i != 1){ ans[i-1] = 1; k--; } if(i+1 != n){ ans[i+1] = 1; k--; } break; } } if(!good){ printf("NIE"); return 0; } printf("TAK\n"); for(int i = 1; i < n;i++){ if(k > 0 && ans[i] == 0){ ans[i] = 1; k--; } if(ans[i]) printf("%d ",i); } } 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 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 | #include<cstdio> #include<algorithm> #define S 500007 using namespace std; int T[S]; int minPref[S]; int maxSuf[S]; int ans[S]; int main(void){ int n,k; scanf("%d %d",&n,&k); for(int i = 1; i <= n;i++){ scanf("%d",&T[i]); } if(k == 2){ minPref[1] = T[1]; for(int i = 2; i <= n;i++){ minPref[i] = min(minPref[i-1],T[i]); } maxSuf[n] = T[n]; for(int i = n-1; i >= 1;i--){ maxSuf[i] = max(maxSuf[i+1],T[i]); } for(int i = 1; i < n;i++){ if(minPref[i] >= maxSuf[i+1]){ printf("TAK\n%d",i); return 0; } } printf("NIE"); return 0; }else if(k == 3){ int mini = 1e9 + 100; int lastMini = 0; int maxi = -1; int firstMaxi = -1; for(int i = 1; i <= n;i++){ if(T[i] <= mini){ mini = T[i]; lastMini = i; } if(T[i] > maxi){ maxi = T[i]; firstMaxi = i; } } if(firstMaxi == n && lastMini == 1){ printf("NIE"); return 0; } printf("TAK\n"); if(firstMaxi != n){ if(firstMaxi == 1){ printf("%d %d",1,2); }else{ printf("%d %d",firstMaxi-1,firstMaxi); } return 0; } if(lastMini != 1){ if(lastMini == n){ printf("%d %d",n-2,n-1); }else{ printf("%d %d",lastMini-1,lastMini); } return 0; } }else{ bool good = false; k--; for(int i = 1; i < n;i++){ if(T[i] >= T[i+1]){ good = true; ans[i] = 1; k--; if(i != 1){ ans[i-1] = 1; k--; } if(i+1 != n){ ans[i+1] = 1; k--; } break; } } if(!good){ printf("NIE"); return 0; } printf("TAK\n"); for(int i = 1; i < n;i++){ if(k > 0 && ans[i] == 0){ ans[i] = 1; k--; } if(ans[i]) printf("%d ",i); } } return 0; } |