wild_boar.cpp: In function 'void add(int)':
wild_boar.cpp:48:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(i=0; i<V.size(); i++) tree[node][0]=min(tree[node][0], V[i]);
~^~~~~~~~~
wild_boar.cpp:49:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(i=0; i<V.size(); i++) if(V[i].l!=tree[node][0].l && V[i].r!=tree[node][0].r) tree[node][1]=min(tree[node][1], V[i]);
~^~~~~~~~~
wild_boar.cpp:50:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(i=0; i<V.size(); i++) if(V[i].l!=tree[node][0].l && V[i].r!=tree[node][1].r) tree[node][2]=min(tree[node][2], V[i]);
~^~~~~~~~~
wild_boar.cpp:51:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(i=0; i<V.size(); i++) if(V[i].l!=tree[node][1].l && V[i].r!=tree[node][0].r) tree[node][3]=min(tree[node][3], V[i]);
~^~~~~~~~~
wild_boar.cpp:42:12: warning: unused variable 'k' [-Wunused-variable]
int i, j, k;
^
wild_boar.cpp: In function 'void init(int, int, int)':
wild_boar.cpp:58:10: warning: unused variable 'j' [-Wunused-variable]
int i, j;
^
wild_boar.cpp:62:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
int mid=tl+tr>>1;
~~^~~
wild_boar.cpp: In function 'void update(int, int, int, int)':
wild_boar.cpp:73:10: warning: unused variable 'j' [-Wunused-variable]
int i, j;
^
wild_boar.cpp:77:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
int mid=tl+tr>>1;
~~^~~
wild_boar.cpp: In function 'int main()':
wild_boar.cpp:124:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(k=0; k<V.size(); k++) dist2[i][j][0]=min(dist2[i][j][0], V[k]);
~^~~~~~~~~
wild_boar.cpp:125:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(k=0; k<V.size(); k++) if(V[k].l!=dist2[i][j][0].l && V[k].r!=dist2[i][j][0].r) dist2[i][j][1]=min(dist2[i][j][1], V[k]);
~^~~~~~~~~
wild_boar.cpp:126:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(k=0; k<V.size(); k++) if(V[k].l!=dist2[i][j][0].l && V[k].r!=dist2[i][j][1].r) dist2[i][j][2]=min(dist2[i][j][2], V[k]);
~^~~~~~~~~
wild_boar.cpp:127:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(k=0; k<V.size(); k++) if(V[k].l!=dist2[i][j][1].l && V[k].r!=dist2[i][j][0].r) dist2[i][j][3]=min(dist2[i][j][3], V[k]);
~^~~~~~~~~
wild_boar.cpp:86:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d%d%d%d", &N, &M, &T, &L);
~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
wild_boar.cpp:90:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d%d%d", &u, &v, &w);
~~~~~^~~~~~~~~~~~~~~~~~~~~~
wild_boar.cpp:135:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
for(i=1; i<=L; i++) scanf("%d", &A[i]);
~~~~~^~~~~~~~~~~~~
wild_boar.cpp:141:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d%d", &p, &q); A[p]=q;
~~~~~^~~~~~~~~~~~~~~~