作业代码
//3.3 path 路径#include #include #include #include #include using namespace std;struct node{ int v, a, b, c[2000];}p[50][50];int mmin(int a,int b){ if (a > b) return b; else return a;}int fac(int x){ return x*x; }int main(){ int T, o = 0; cin >> T; while (T--) { int n, m; cin >> n >> m; memset(p, 0, sizeof(p)); for (int i0 = 1;i0 <= n;i0++) for (int j = 1;j <= m;j++) cin >> p[i0][j].v; p[1][1].a = fac(p[1][1].v); p[1][1].b = p[1][1].v; p[1][1].c[p[1][1].v] = fac(p[1][1].v); for (int j = 2;j <= m;j++) { p[1][j].a = p[1][j - 1].a + fac(p[1][j].v); p[1][j].b = p[1][j - 1].b + p[1][j].v; p[1][j].c[p[1][j].b] = p[1][j].a; } for (int i1 = 2;i1 <= n;i1++) { p[i1][1].a = p[i1 - 1][1].a + fac(p[i1][1].v); p[i1][1].b = p[i1 - 1][1].b + p[i1][1].v; p[i1][1].c[p[i1][1].b] = p[i1][1].a; } for (int i = 2;i <= n;i++) for (int j = 2;j <= m;j++) for (int k = 0;k < 2000;k++) { if (p[i][j - 1].c[k]) { int f = k + p[i][j].v; if (p[i][j].c[f]) p[i][j].c[f] = mmin( p[i][j].c[f], p[i][j - 1].c[k] + fac(p[i][j].v) ); else p[i][j].c[f] = p[i][j - 1].c[k] + fac(p[i][j].v); } if (p[i - 1][j].c[k]) { int f = k + p[i][j].v; if (p[i][j].c[f]) p[i][j].c[f] = mmin(p[i][j].c[f], p[i - 1][j].c[k] + fac(p[i][j].v)); else p[i][j].c[f] = p[i - 1][j].c[k] + fac(p[i][j].v); } } int ans = 1000000000; for (int i2 = 0;i2 < 2000;i2++) if (p[n][m].c[i2]) ans = mmin(ans, (n + m - 1)*p[n][m].c[i2] - fac(i2)); printf("Case #%d: %d\n", ++o, ans); } return 0;}
//4.4 szjl 数字接力#include #include #include using namespace std; char a[1005][32]; char p[1005][32]; int n = 0; //自己写一个字符串比较函数 int strcmp_vv(char s[], char t[]) { char r[200]; char r1[200]; strcpy(r, s); strcat(r, t); strcpy(r1, t); strcat(r1, s); int i = strcmp(r, r1); return i; } void outv() { for (int i = 0;i < n;i++) printf("%s",a[i]); printf("\n"); } //将有二个有序数列a[first...mid]和a[mid...last]合并。 void mergearray(char a[][32], int first, int mid, int last,char temp[][32]) { int i = first, j = mid + 1; int m = mid, n = last; int k = 0; while (i <= m && j <= n) { if (strcmp_vv(a[i], a[j])==1) strcpy(temp[k++], a[i++]); else strcpy(temp[k++], a[j++]); } while (i <= m) strcpy(temp[k++] , a[i++]); while (j <= n) strcpy(temp[k++] , a[j++]); for (i = 0; i < k; i++) strcpy(a[first + i] , temp[i]); cout<<" first "< <<" mid "< <<" last "< < > n; for (int i = 0;i < n;i++) cin >> a[i]; MergeSort(a,n); outv(); return 0; }